Conduit Fittings & Accessories – Mouser United Kingdom

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Straight-Thru Nylon Conduit Fittings

Heyco Straight-Thru Nylon Conduit Fittings are designed for flexible corrugated Nylon conduit and tubing. These Heyco Nylon conduit fittings require no disassembly. Instead, the installer pushes the conduit or tubing into the fitting, then tightens the domed sealing nut. These Straight-Thru fittings feature a silicone sealing gland to ensure a liquid-tight seal. No threading of the conduit or tubing is needed to install the fittings, eliminating the risk of cutting the conduit and creating leak paths.

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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 Type	Product	Type	Thread Size	Length	Material	Color
Conduit Fittings & Accessories HPASC 1/2 NPT-16mm H8506 Heyco 1: £2.76 125In Stock	Mfr. Part No. H8506 Mouser Part No 836-H8506	Heyco	Conduit Fittings & Accessories HPASC 1/2 NPT-16mm Learn More about Heyco straight thru nylon conduit fittings	Datasheet	125In Stock	£2.76 £2.35 £2.20 £2.10 View £2.00 £1.86 £1.77 £1.68 £1.58	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	NPT 1/2 in	50.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 3/4 NPT-28mm H8516 Heyco 1: £3.54 39In Stock	Mfr. Part No. H8516 Mouser Part No 836-H8516	Heyco	Conduit Fittings & Accessories HPASC 3/4 NPT-28mm Learn More about Heyco straight thru nylon conduit fittings	Datasheet	39In Stock	£3.54 £3.02 £2.83 £2.69 View £2.56 £2.41 £2.36 £2.30 £2.17	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	3/4 in NPT	52.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 3/8 NPT-16mm IP66 H8504 Heyco 1: £2.76 187In Stock	Mfr. Part No. H8504 Mouser Part No 836-H8504	Heyco	Conduit Fittings & Accessories HPASC 3/8 NPT-16mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	187In Stock	£2.76 £2.35 £2.20 £2.10 View £2.00 £1.89 £1.83 £1.78 £1.68	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	NPT 3/8 in	47.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 1 1/2 NPT-42mm IP66 H8524 Heyco 1: £7.90 30In Stock	Mfr. Part No. H8524 Mouser Part No 836-H8524	Heyco	Conduit Fittings & Accessories HPASC 1 1/2 NPT-42mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	30In Stock	£7.90 £6.71 £6.29 £5.98 View £5.91 £5.74 £5.46 £5.26 Quote	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	1-1/2 in NPT	61.7 mm	Nylon	Black
Conduit Fittings & Accessories HPASC M20-16mm IP66 H8576 Heyco 1: £2.57 69In Stock	Mfr. Part No. H8576 Mouser Part No 836-H8576	Heyco	Conduit Fittings & Accessories HPASC M20-16mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	69In Stock	£2.57 £2.17 £2.04 £1.94 View £1.75 £1.68 £1.63 £1.56 £1.47	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	M20	50.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 2 NPT-54mm IP66 H8528 Heyco 1: £10.40 5In Stock	Mfr. Part No. H8528 Mouser Part No 836-H8528	Heyco	Conduit Fittings & Accessories HPASC 2 NPT-54mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	5In Stock	£10.40 £9.31 £7.90 £7.88 View £7.51 £7.24 £6.94 £6.67 Quote	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	NPT 2 in	62 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 1/4 NPT-10mm IP66 H8501 Heyco 1: £2.14 96In Stock	Mfr. Part No. H8501 Mouser Part No 836-H8501	Heyco	Conduit Fittings & Accessories HPASC 1/4 NPT-10mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	96In Stock	£2.14 £1.82 £1.70 £1.63 View £1.55 £1.44 £1.42 £1.38 £1.30	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	NPT 1/4 in	40 mm	Nylon	Black
Conduit Fittings & Accessories HPASC M16-16mm IP66 H8574 Heyco 1: £2.57 131In Stock	Mfr. Part No. H8574 Mouser Part No 836-H8574	Heyco	Conduit Fittings & Accessories HPASC M16-16mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	131In Stock	£2.57 £2.17 £2.04 £1.94 View £1.85 £1.73 £1.64 £1.56 £1.47	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	M16	47.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC M16-13mm IP66 H8572 Heyco 1: £2.20 323In Stock	Mfr. Part No. H8572 Mouser Part No 836-H8572	Heyco	Conduit Fittings & Accessories HPASC M16-13mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	323In Stock	£2.20 £1.87 £1.75 £1.67 View £1.60 £1.49 £1.41 £1.34 £1.27	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	M16	45 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 1/2 NPT 21mm BLK H8510 Heyco 1: £2.75 5,004In Stock 2,600Expected 23/12/2026	Mfr. Part No. H8510 Mouser Part No 836-H8510	Heyco	Conduit Fittings & Accessories HPASC 1/2 NPT 21mm BLK Learn More about Heyco straight thru nylon conduit fittings	Datasheet	5,004In Stock 2,600Expected 23/12/2026	£2.75 £2.47 £2.40 £2.33 View £1.75 £1.67	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	1/2 in NPT	50.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC M20-21mm IP66 H8580 Heyco 1: £2.57 360In Stock	Mfr. Part No. H8580 Mouser Part No 836-H8580	Heyco	Conduit Fittings & Accessories HPASC M20-21mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	360In Stock	£2.57 £2.17 £2.04 £1.94 View £1.85 £1.79 £1.63 £1.56 £1.47	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	M20	50.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 3/8 NPT-13mm IP66 H8503 Heyco 1: £2.37 434In Stock	Mfr. Part No. H8503 Mouser Part No 836-H8503	Heyco	Conduit Fittings & Accessories HPASC 3/8 NPT-13mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	434In Stock	£2.37 £2.02 £1.89 £1.80 View £1.72 £1.61 £1.45 £1.42 £1.36	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	NPT 3/8 in	45 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 1 NPT-34mm H8520 Heyco 1: £5.00 248Expected 04/11/2026	Mfr. Part No. H8520 Mouser Part No 836-H8520	Heyco	Conduit Fittings & Accessories HPASC 1 NPT-34mm Learn More about Heyco straight thru nylon conduit fittings	Datasheet	248Expected 04/11/2026	£5.00 £4.26 £4.13 £3.50 View £3.39 £3.22 £3.06 £2.88	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	1 in NPT	59.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC M25-28mm IP66 H8586 Heyco 1: £3.31 24Expected 09/12/2026	Mfr. Part No. H8586 Mouser Part No 836-H8586	Heyco	Conduit Fittings & Accessories HPASC M25-28mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	24Expected 09/12/2026	£3.31 £2.86 £2.43 £2.40 View £2.30 £2.24 £2.15 £2.04	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	M25	52.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC M32-34mm IP66 H8590 Heyco 1: £4.10 50Expected 02/12/2026	Mfr. Part No. H8590 Mouser Part No 836-H8590	Heyco	Conduit Fittings & Accessories HPASC M32-34mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	50Expected 02/12/2026	£4.10 £3.48 £3.27 £2.99 View £2.92 £2.76 £2.63 £2.51 £2.35	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	M32	59.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC M40-42mm IP66 H8592 Heyco 1: £6.78 46Expected 18/12/2026	Mfr. Part No. H8592 Mouser Part No 836-H8592	Heyco	Conduit Fittings & Accessories HPASC M40-42mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	46Expected 18/12/2026	£6.78 £5.76 £5.40 £5.10 View £5.02 £4.87 £4.75 £4.55 Quote	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	M50	62 mm	Nylon	Black
Conduit Fittings & Accessories HPASC M63-54mm IP66 H8598 Heyco 1: £8.43 23Expected 16/11/2026	Mfr. Part No. H8598 Mouser Part No 836-H8598	Heyco	Conduit Fittings & Accessories HPASC M63-54mm IP66 Learn More about Heyco straight thru nylon conduit fittings	Datasheet	23Expected 16/11/2026	£8.43 £7.59 £6.72 £6.69 View £6.51 £6.28 £6.03 £5.81 Quote	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Fitting, Loom Tubing	M63	58 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 1/4 NPT 10mm V-0 BLK H8501F Heyco 1: £3.20 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. H8501F Mouser Part No 836-H8501F	Heyco	Conduit Fittings & Accessories HPASC 1/4 NPT 10mm V-0 BLK Learn More about Heyco straight thru nylon conduit fittings	Datasheet	Non-Stocked Lead-Time 6 Weeks	£3.20 £2.67 £2.58 £2.51 View £2.48 £2.10 £2.05 £1.96	Min.: 1 Mult.: 1	Conduit Fittings	Straight Fittings	Fitting, Loom Tubing	NPT 1/4 in	40 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 3/8 NPT 13mm V-0 BLK H8503F Heyco 500: £1.92 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. H8503F Mouser Part No 836-H8503F	Heyco	Conduit Fittings & Accessories HPASC 3/8 NPT 13mm V-0 BLK Learn More about Heyco straight thru nylon conduit fittings	Datasheet	Non-Stocked Lead-Time 6 Weeks	£1.92 £1.89 £1.86	Min.: 500 Mult.: 500	Conduit Fittings	Straight Fittings	Fitting, Loom Tubing	NPT 3/8 in	45 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 3/8 NPT 16mm V-0 BLK H8504F Heyco 1: £3.63 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. H8504F Mouser Part No 836-H8504F	Heyco	Conduit Fittings & Accessories HPASC 3/8 NPT 16mm V-0 BLK Learn More about Heyco straight thru nylon conduit fittings	Datasheet	Non-Stocked Lead-Time 6 Weeks	£3.63 £3.05 £2.94 £2.65 View £2.50 £2.49 £2.48 £2.41 £2.27	Min.: 1 Mult.: 1	Conduit Fittings	Straight Fittings	Fitting, Loom Tubing	NPT 3/8 in	47.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 1/2 NPT 16mm V-0 BLK H8506F Heyco 1: £3.63 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. H8506F Mouser Part No 836-H8506F	Heyco	Conduit Fittings & Accessories HPASC 1/2 NPT 16mm V-0 BLK Learn More about Heyco straight thru nylon conduit fittings	Datasheet	Non-Stocked Lead-Time 6 Weeks	£3.63 £3.05 £2.94 £2.65 View £2.50 £2.49 £2.48 £2.41 £2.27	Min.: 1 Mult.: 1	Conduit Fittings	Straight Fittings	Fitting, Loom Tubing	NPT 1/2 in	50.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 1/2 NPT 21mm V-0 BLK H8510F Heyco 1: £4.15 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. H8510F Mouser Part No 836-H8510F	Heyco	Conduit Fittings & Accessories HPASC 1/2 NPT 21mm V-0 BLK Learn More about Heyco straight thru nylon conduit fittings	Datasheet	Non-Stocked Lead-Time 6 Weeks	£4.15 £3.49 £3.37 £3.03 View £2.85 £2.72 £2.69 £2.55	Min.: 1 Mult.: 1	Conduit Fittings	Straight Fittings	Fitting, Loom Tubing	NPT 1/2 in	50.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 3/4 NPT 28mm V-0 BLK H8516F Heyco 1: £5.31 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. H8516F Mouser Part No 836-H8516F	Heyco	Conduit Fittings & Accessories HPASC 3/4 NPT 28mm V-0 BLK Learn More about Heyco straight thru nylon conduit fittings	Datasheet	Non-Stocked Lead-Time 6 Weeks	£5.31 £4.50 £4.23 £4.02 View £3.92 £3.82 £3.72 £3.64 £3.47	Min.: 1 Mult.: 1	Conduit Fittings	Straight Fittings	Fitting, Loom Tubing	NPT 3/4 in	52.5 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 1-1/4 NPT 42mm V-0 BLK H8522F Heyco 1: £9.18 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. H8522F Mouser Part No 836-H8522F	Heyco	Conduit Fittings & Accessories HPASC 1-1/4 NPT 42mm V-0 BLK Learn More about Heyco straight thru nylon conduit fittings	Datasheet	Non-Stocked Lead-Time 6 Weeks	£9.18 £8.38 £7.38 £7.14 View £6.92 £6.59 £6.48 £6.11 Quote	Min.: 1 Mult.: 1	Conduit Fittings	Straight Fittings	Fitting, Loom Tubing	NPT 1-1/4 in	62 mm	Nylon	Black
Conduit Fittings & Accessories HPASC 1-1/2 NPT 42mm V-0 BLK H8524F Heyco 1: £9.54 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. H8524F Mouser Part No 836-H8524F	Heyco	Conduit Fittings & Accessories HPASC 1-1/2 NPT 42mm V-0 BLK Learn More about Heyco straight thru nylon conduit fittings	Datasheet	Non-Stocked Lead-Time 6 Weeks	£9.54 £8.68 £8.01 £7.86 View £7.66 £7.40 £7.10 £6.84 Quote	Min.: 1 Mult.: 1	Conduit Fittings	Straight Fittings	Fitting, Loom Tubing	NPT 1-1/2 in	61.7 mm	Nylon	Black