Standard Circular Connector – Mouser United Kingdom

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QuickFusio™ Connectors

Radiall QuickFusio™ Connectors are a cost-effective solution for aerospace harsh environments. The innovative multipin connectors use unique design covers for any type of wiring combination and are easy to install with its one-finger mating technology. Plugs and receptacles are available in three different output options which can adapt to any wiring. QuickFusio Connectors use standard SAE-AS-38999 series II contacts and feature a compact, lightweight design. The connectors combine high performance with quick and secure mating and are ideal for EWIS and cabin interior applications. Radiall’s QuickFusio is qualified according to industry-standard requirements.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Number of Positions	Contact Gender	Shell Size	Mounting Style	Termination Style	Contact Plating	Shell Material	Current Rating	Series
Standard Circular Connector QUICKFUSIO RECEPTACLE ACCESSORY THREAD WITH PIN NON-ENVIRONMENTAL 7#20 INSERT WITH CONTACTS QFC5RN2N07PSN Radiall 1: £51.18 7In Stock	Mfr. Part No. QFC5RN2N07PSN Mouser Part No 501-QFC5RN2N07PSN	Radiall	Standard Circular Connector QUICKFUSIO RECEPTACLE ACCESSORY THREAD WITH PIN NON-ENVIRONMENTAL 7#20 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	7In Stock	£51.18 £44.51 £42.79 £41.37 View £39.09 £39.08 Quote	Min.: 1 Mult.: 1	Receptacles	4 Position	Pin (Male)	5	Wall Mount	Solder	Gold	Thermoplastic	7.5 A
Standard Circular Connector RECEPTACLE ACCESSORY THREAD WITH PIN ENVIRONMENTAL 14#22 INSERT WITH CONTACTS QFP5RN2E14PSB Radiall 1: £45.72 1In Stock	Mfr. Part No. QFP5RN2E14PSB Mouser Part No 501-QFP5RN2E14PSB	Radiall	Standard Circular Connector RECEPTACLE ACCESSORY THREAD WITH PIN ENVIRONMENTAL 14#22 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	1In Stock	£45.72 £43.03 £41.68 £38.99 View £36.84 £35.76 Quote	Min.: 1 Mult.: 1	Receptacles	7 Position	Pin (Male)	5	Wall Mount	Solder	Gold
Standard Circular Connector RECEPTACLE ACCESSORY THREAD WITH PIN ENVIRONMENTAL 22#23 INSERT WITH CONTACTS QFP5RN2E22PSB Radiall 1: £65.25 5In Stock	Mfr. Part No. QFP5RN2E22PSB Mouser Part No 501-QFP5RN2E22PSB	Radiall	Standard Circular Connector RECEPTACLE ACCESSORY THREAD WITH PIN ENVIRONMENTAL 22#23 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	5In Stock	£65.25 £59.88 £57.58 £55.65 View £52.58 Quote	Min.: 1 Mult.: 1	Receptacles	14 Position	Pin (Male)	5	Wall Mount	Solder	Gold
Standard Circular Connector PLUG ACCESSORY THREAD WITH SOCKET ENVIRONMENTAL 14#22 INSERT WITH CONTACTS QFP5PN2E14SSB Radiall 1: £88.62 10In Stock	Mfr. Part No. QFP5PN2E14SSB Mouser Part No 501-QFP5PN2E14SSB	Radiall	Standard Circular Connector PLUG ACCESSORY THREAD WITH SOCKET ENVIRONMENTAL 14#22 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	10In Stock	£88.62 £75.33 £72.37 £69.95 View £66.09 Quote	Min.: 1 Mult.: 1	Plugs	7 Position	Socket (Female)		Cable	Solder	Gold
Standard Circular Connector QUICKFUSIO RECEPTACLE BOX MOUNT WITH PIN NON-ENVIRONMENTAL 7#20 INSERT WITH GOLD FINISH RIGHT ANGLE PC TAIL CONTACTS QFC5RN1N07PGBN Radiall 1: £65.49 4In Stock	Mfr. Part No. QFC5RN1N07PGBN Mouser Part No 501-QFC5RN1N07PGBN	Radiall	Standard Circular Connector QUICKFUSIO RECEPTACLE BOX MOUNT WITH PIN NON-ENVIRONMENTAL 7#20 INSERT WITH GOLD FINISH RIGHT ANGLE PC TAIL CONTACTS Learn More about Radiall quickfusio	Datasheet	4In Stock	£65.49 £62.34	Min.: 1 Mult.: 1	Receptacles	4 Position	Pin (Male)	5	Wall Mount	Solder	Gold	Thermoplastic
Standard Circular Connector QUICKFUSIO PLUG BANDING PLATFORM WITH SOCKET NON-ENVIRONMENTAL 22#23 INSERT WITHOUT CONTACTS QFC5PN3N22SXN Radiall 1: £44.05 2Expected 14/10/2026	Mfr. Part No. QFC5PN3N22SXN Mouser Part No 501-QFC5PN3N22SXN	Radiall	Standard Circular Connector QUICKFUSIO PLUG BANDING PLATFORM WITH SOCKET NON-ENVIRONMENTAL 22#23 INSERT WITHOUT CONTACTS Learn More about Radiall quickfusio	Datasheet	2Expected 14/10/2026	£44.05 £37.44 £35.65 £34.46 View £32.57 £32.56 Quote	Min.: 1 Mult.: 1	Plugs	22 Position	Socket (Female)	5	Cable	Crimp	Gold	Thermoplastic	5 A
Standard Circular Connector PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 22#23 INSERT WITHOUT CONTACTS QFC5PN2N22SXB Radiall 1: £45.25 5Expected 12/10/2026	Mfr. Part No. QFC5PN2N22SXB Mouser Part No 501-QFC5PN2N22SXB	Radiall	Standard Circular Connector PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 22#23 INSERT WITHOUT CONTACTS Learn More about Radiall quickfusio	Datasheet	5Expected 12/10/2026	£45.25 £39.35 £37.84 £36.57 View £34.56 £34.55 Quote	Min.: 1 Mult.: 1	Plugs	22 Position	Socket (Female)	5	Cable	Crimp	Gold	Thermoplastic		QuickFusio
Standard Circular Connector PLUG BANDING PLATFORM WITH SOCKET NON-ENVIRONMENTAL 22#23 INSERT WITH CONTACTS QFC5PN3N22SSB Radiall 1: £93.31 6Expected 08/10/2026	Mfr. Part No. QFC5PN3N22SSB Mouser Part No 501-QFC5PN3N22SSB	Radiall	Standard Circular Connector PLUG BANDING PLATFORM WITH SOCKET NON-ENVIRONMENTAL 22#23 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	6Expected 08/10/2026	£93.31 £72.15	Min.: 1 Mult.: 1	Plugs	22 Position	Socket (Female)	5	Cable	Solder	Gold	Thermoplastic	5 A	QuickFusio
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 4#16 INSERT WITH CONTACTS QFC5PN2N04SSN Radiall 1: £34.30 Non-Stocked	Mfr. Part No. QFC5PN2N04SSN Mouser Part No 501-QFC5PN2N04SSN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 4#16 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£34.30 £29.82 £28.53 £27.61 View £26.69 £25.23 Quote	Min.: 1 Mult.: 1	Plugs	4 Position	Socket (Female)	5	Cable	Solder	Gold		7.5 A
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 4#16 INSERT WITHOUT CONTACTS QFC5PN2N04SXN Radiall 1: £28.30 Non-Stocked	Mfr. Part No. QFC5PN2N04SXN Mouser Part No 501-QFC5PN2N04SXN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 4#16 INSERT WITHOUT CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£28.30 £24.05 £22.98 £22.23 View £21.48 £20.30 £19.71 Quote	Min.: 1 Mult.: 1	Plugs	4 Position	Socket (Female)	5	Cable	Crimp	Gold	Thermoplastic	7.5 A
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 7#20 INSERT WITH CONTACTS QFC5PN2N07SSN Radiall 1: £44.68 Non-Stocked	Mfr. Part No. QFC5PN2N07SSN Mouser Part No 501-QFC5PN2N07SSN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 7#20 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£44.68 £38.86 £37.36 £36.12 View £34.13 £34.12 Quote	Min.: 1 Mult.: 1	Plugs	7 Position	Socket (Female)	5	Cable	Solder	Gold	Thermoplastic	7.5 A
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 7#20 INSERT WITHOUT CONTACTS QFC5PN2N07SXN Radiall 1: £28.30 Non-Stocked	Mfr. Part No. QFC5PN2N07SXN Mouser Part No 501-QFC5PN2N07SXN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 7#20 INSERT WITHOUT CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£28.30 £24.05 £22.98 £22.23 View £21.48 £20.30 £19.71 Quote	Min.: 1 Mult.: 1	Plugs	7 Position	Socket (Female)	5	Cable	Crimp	Gold	Thermoplastic	7.5 A
Standard Circular Connector PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 14#22 INSERT WITH CONTACTS QFC5PN2N14SSB Radiall 1: £36.88 Non-Stocked	Mfr. Part No. QFC5PN2N14SSB Mouser Part No 501-QFC5PN2N14SSB	Radiall	Standard Circular Connector PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 14#22 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£36.88 £32.07 £30.69 £29.69 View £28.70 £27.12 Quote	Min.: 1 Mult.: 1	Plugs	14 Position	Socket (Female)	5	Cable	Solder	Gold	Thermoplastic	5 A	QuickFusio
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 14#22 INSERT WITH CONTACTS QFC5PN2N14SSN Radiall 25: £26.72 Non-Stocked	Mfr. Part No. QFC5PN2N14SSN Mouser Part No 501-QFC5PN2N14SSN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 14#22 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£26.72 £25.86 £24.99 £23.62 Quote Quote	Min.: 25 Mult.: 1	Plugs	14 Position	Socket (Female)	5	Cable	Crimp	Gold	Thermoplastic	5 A
Standard Circular Connector PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 14#22 INSERT WITHOUT CONTACTS QFC5PN2N14SXB Radiall 1: £28.30 Non-Stocked	Mfr. Part No. QFC5PN2N14SXB Mouser Part No 501-QFC5PN2N14SXB	Radiall	Standard Circular Connector PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 14#22 INSERT WITHOUT CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£28.30 £24.05 £22.98 £22.23 View £21.48 £20.30 £19.71 Quote	Min.: 1 Mult.: 1	Plugs	14 Position	Socket (Female)	5	Cable	Crimp	Gold	Thermoplastic	5 A	QuickFusio
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 14#22 INSERT WITHOUT CONTACTS QFC5PN2N14SXN Radiall 1: £28.30 Non-Stocked	Mfr. Part No. QFC5PN2N14SXN Mouser Part No 501-QFC5PN2N14SXN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 14#22 INSERT WITHOUT CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£28.30 £24.05 £22.98 £22.23 View £21.48 £20.30 £19.71 Quote	Min.: 1 Mult.: 1	Plugs	14 Position	Socket (Female)	5	Cable	Solder	Gold	Thermoplastic	5 A
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 22#23 INSERT WITH CONTACTS QFC5PN2N22SSN Radiall 1: £51.87 Non-Stocked	Mfr. Part No. QFC5PN2N22SSN Mouser Part No 501-QFC5PN2N22SSN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 22#23 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£51.87 £45.12 £43.37 £41.93 View £39.63 £39.61 Quote	Min.: 1 Mult.: 1	Plugs	22 Position	Socket (Female)	5	Cable	Solder	Gold	Thermoplastic	5 A
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 22#23 INSERT WITHOUT CONTACTS QFC5PN2N22SXN Radiall 1: £29.16 Non-Stocked	Mfr. Part No. QFC5PN2N22SXN Mouser Part No 501-QFC5PN2N22SXN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 22#23 INSERT WITHOUT CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£29.16 £25.34 £24.26 £23.47 View £22.69 £21.44 Quote	Min.: 1 Mult.: 1	Plugs	22 Position	Socket (Female)	5	Cable	Solder	Gold	Thermoplastic	5 A
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL IG GIGABIT ETHERNET INSERT WITH CONTACTS QFC5PN2NIGSSN Radiall 1: £48.63 Non-Stocked	Mfr. Part No. QFC5PN2NIGSSN Mouser Part No 501-QFC5PN2NIGSSN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL IG GIGABIT ETHERNET INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£48.63 £45.77 £44.33 £41.48 View £39.36 £38.19 Quote	Min.: 1 Mult.: 1	Plugs				Cable
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL IG GIGABIT ETHERNET INSERT WITHOUT CONTACTS QFC5PN2NIGSXN Radiall 1: £29.16 Non-Stocked	Mfr. Part No. QFC5PN2NIGSXN Mouser Part No 501-QFC5PN2NIGSXN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL IG GIGABIT ETHERNET INSERT WITHOUT CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£29.16 £25.34 £24.26 £23.47 View £22.69 £21.44 Quote	Min.: 1 Mult.: 1	Plugs				Cable
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 3#20, 1#12 INSERT WITH CONTACTS QFC5PN2NM4SSN Radiall 1: £39.55 Non-Stocked	Mfr. Part No. QFC5PN2NM4SSN Mouser Part No 501-QFC5PN2NM4SSN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 3#20, 1#12 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£39.55 £34.38 £32.89 £31.83 View £30.76 £29.09 Quote	Min.: 1 Mult.: 1	Plugs	4 Position	Socket (Female)	5	Cable	Solder	Gold	Thermoplastic	7.5 A
Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 3#20, 1#12 INSERT WITHOUT CONTACTS QFC5PN2NM4SXN Radiall 1: £28.30 Non-Stocked	Mfr. Part No. QFC5PN2NM4SXN Mouser Part No 501-QFC5PN2NM4SXN	Radiall	Standard Circular Connector QUICKFUSIO PLUG ACCESSORY THREAD WITH SOCKET NON-ENVIRONMENTAL 3#20, 1#12 INSERT WITHOUT CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£28.30 £24.05 £22.98 £22.23 View £21.48 £20.30 £19.71 Quote	Min.: 1 Mult.: 1	Plugs	4 Position	Socket (Female)	5	Cable	Crimp	Gold	Thermoplastic	7.5 A
Standard Circular Connector QUICKFUSIO PLUG BANDING PLATFORM WITH SOCKET NON-ENVIRONMENTAL 4#16 INSERT WITH CONTACTS QFC5PN3N04SSN Radiall 1: £34.30 Non-Stocked	Mfr. Part No. QFC5PN3N04SSN Mouser Part No 501-QFC5PN3N04SSN	Radiall	Standard Circular Connector QUICKFUSIO PLUG BANDING PLATFORM WITH SOCKET NON-ENVIRONMENTAL 4#16 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£34.30 £29.82 £28.53 £27.61 View £26.69 £25.23 Quote	Min.: 1 Mult.: 1	Plugs	4 Position	Socket (Female)	5	Cable	Solder	Gold	Thermoplastic	7.5 A
Standard Circular Connector QUICKFUSIO PLUG BANDING PLATFORM WITH SOCKET NON-ENVIRONMENTAL 4#16 INSERT WITHOUT CONTACTS QFC5PN3N04SXN Radiall 1: £28.30 Non-Stocked	Mfr. Part No. QFC5PN3N04SXN Mouser Part No 501-QFC5PN3N04SXN	Radiall	Standard Circular Connector QUICKFUSIO PLUG BANDING PLATFORM WITH SOCKET NON-ENVIRONMENTAL 4#16 INSERT WITHOUT CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£28.30 £24.05 £22.98 £22.23 View £21.48 £20.30 £19.71 Quote	Min.: 1 Mult.: 1	Plugs	4 Position	Socket (Female)	5	Cable	Crimp	Gold	Thermoplastic	7.5 A
Standard Circular Connector QUICKFUSIO PLUG BANDING PLATFORM WITH SOCKET NON-ENVIRONMENTAL 7#20 INSERT WITH CONTACTS QFC5PN3N07SSN Radiall 1: £45.77 Non-Stocked	Mfr. Part No. QFC5PN3N07SSN Mouser Part No 501-QFC5PN3N07SSN	Radiall	Standard Circular Connector QUICKFUSIO PLUG BANDING PLATFORM WITH SOCKET NON-ENVIRONMENTAL 7#20 INSERT WITH CONTACTS Learn More about Radiall quickfusio	Datasheet	Non-Stocked	£45.77 £39.80 £38.26 £36.99 View £34.95 Quote	Min.: 1 Mult.: 1	Plugs	4 Position	Socket (Female)	5	Cable	Solder	Gold	Thermoplastic

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