Conduit Fittings & Accessories – Mouser United Kingdom

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Nylon Liquid Tight Threaded Plugs

Heyco Nylon Liquid Tight Threaded Plugs provide an integral sealing ring to ensure a superior seal at the mounting hole location, every time. The IP68 plugs provide a liquid-tight seal up to 70psi and are UL rated for type NEMA 3R, 4 and 4X applications. They have a hex-shaped head with a slot for wrench or screwdriver installation and are made from electrically non-conductive Nylon 6/6. This non-corrosive material resists salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents. Heyco Nylon Liquid Tight Threaded Plugs are a cost-effective option over brass or steel NPT and PG plugs. These threaded plugs are ideal for hydraulic and pneumatic applications.

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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	Thread Size	Material	Color
Conduit Fittings & Accessories 1/2 NPT BLACK THREADED PLUG 3546B Heyco 1: £0.698 170,465In Stock	Mfr. Part No. 3546B Mouser Part No 836-3546B	Heyco	Conduit Fittings & Accessories 1/2 NPT BLACK THREADED PLUG Learn More about Heyco npt pg threaded plugs	Datasheet	170,465In Stock	£0.698 £0.624 £0.601 £0.584 View £0.566 £0.56 £0.505 £0.464 £0.441	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	1/2 in NPT		Black
Conduit Fittings & Accessories LTTP PG7 BLK INTEGRAL RING 3574B Heyco 1: £0.519 4,909In Stock	Mfr. Part No. 3574B Mouser Part No 836-3574B	Heyco	Conduit Fittings & Accessories LTTP PG7 BLK INTEGRAL RING Learn More about Heyco npt pg threaded plugs	Datasheet	4,909In Stock	£0.519 £0.484 £0.474 £0.467 View £0.46 £0.457 £0.387 £0.381 £0.38	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	PG7	Nylon	Black
Conduit Fittings & Accessories 1/4 NPT BLACK THREADED PLUG 3544B Heyco 1: £0.679 1,008In Stock	Mfr. Part No. 3544B Mouser Part No 836-3544B	Heyco	Conduit Fittings & Accessories 1/4 NPT BLACK THREADED PLUG Learn More about Heyco npt pg threaded plugs	Datasheet	1,008In Stock	£0.679 £0.574 £0.538 £0.512 View £0.487 £0.457 £0.433 £0.423	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	1/4 in NPT		Black
Conduit Fittings & Accessories 1 NPT BLACK THREADED PLUG 3548B Heyco 1: £1.89 412In Stock	Mfr. Part No. 3548B Mouser Part No 836-3548B	Heyco	Conduit Fittings & Accessories 1 NPT BLACK THREADED PLUG Learn More about Heyco npt pg threaded plugs	Datasheet	412In Stock	£1.89 £1.60 £1.50 £1.42 View £1.36 £1.32 £1.28 £1.22 £1.19	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	1 in NPT		Black
Conduit Fittings & Accessories 3/4 NPT BLACK THREADED PLUG 3547B Heyco 1: £1.05 6,367In Stock 6,000Expected 11/11/2026	Mfr. Part No. 3547B Mouser Part No 836-3547B	Heyco	Conduit Fittings & Accessories 3/4 NPT BLACK THREADED PLUG Learn More about Heyco npt pg threaded plugs	Datasheet	6,367In Stock 6,000Expected 11/11/2026	£1.05 £0.89 £0.83 £0.791 View £0.753 £0.692 £0.657 £0.632 £0.603	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	3/4 in NPT		Black
Conduit Fittings & Accessories TP-PG11 GRAY PG THRD PLUGS 3402 Heyco 1: £0.821 122In Stock	Mfr. Part No. 3402 Mouser Part No 836-3402	Heyco	Conduit Fittings & Accessories TP-PG11 GRAY PG THRD PLUGS Learn More about Heyco npt pg threaded plugs	Datasheet	122In Stock	£0.821 £0.691 £0.647 £0.615 View £0.595 £0.582 £0.551 £0.53 £0.514	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	PG11	Polystyrene (PS)	Gray
Conduit Fittings & Accessories TP PG 7 GRAY 3405 Heyco 1: £0.717 302In Stock	Mfr. Part No. 3405 Mouser Part No 836-3405	Heyco	Conduit Fittings & Accessories TP PG 7 GRAY Learn More about Heyco npt pg threaded plugs	Datasheet	302In Stock	£0.717 £0.604 £0.567 £0.54 View £0.52 £0.483 £0.467 £0.453	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	PG7	Polystyrene (PS)	Gray
Conduit Fittings & Accessories TP-PG9 GRAY PG THRD PLUGS 3407 Heyco 1: £0.782 1,830In Stock 100On Order	Mfr. Part No. 3407 Mouser Part No 836-3407	Heyco	Conduit Fittings & Accessories TP-PG9 GRAY PG THRD PLUGS Learn More about Heyco npt pg threaded plugs	Datasheet	1,830In Stock 100On Order	£0.782 £0.656 £0.615 £0.586 View £0.547 £0.519 £0.502 £0.487	Min.: 1 Mult.: 1		Hole Plug		Polystyrene (PS)	Gray
Conduit Fittings & Accessories TP-PG13 GRAY PG THRD PLUGS 3412 Heyco 1: £1.02 200In Stock	Mfr. Part No. 3412 Mouser Part No 836-3412	Heyco	Conduit Fittings & Accessories TP-PG13 GRAY PG THRD PLUGS Learn More about Heyco npt pg threaded plugs	Datasheet	200In Stock	£1.02 £0.861 £0.85 £0.721 View £0.718 £0.683 £0.65 £0.577	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	PG13	Polystyrene (PS)	Gray
Conduit Fittings & Accessories TP-PG16 GRAY PG THRD PLUGS 3414 Heyco 1: £1.03 146In Stock	Mfr. Part No. 3414 Mouser Part No 836-3414	Heyco	Conduit Fittings & Accessories TP-PG16 GRAY PG THRD PLUGS Learn More about Heyco npt pg threaded plugs	Datasheet	146In Stock	£1.03 £0.96 £0.817 £0.706 View £0.694 £0.66 £0.62	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	PG16	Polystyrene (PS)	Gray
Conduit Fittings & Accessories TP-PG21 GRAY PG THRD PLUGS 3416 Heyco 1: £1.39 920In Stock	Mfr. Part No. 3416 Mouser Part No 836-3416	Heyco	Conduit Fittings & Accessories TP-PG21 GRAY PG THRD PLUGS Learn More about Heyco npt pg threaded plugs	Datasheet	920In Stock	£1.39 £1.26 £0.822 £0.771	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	PG21	Polystyrene (PS)	Gray
Conduit Fittings & Accessories TP-PG29 GRAY PG THRD PLUGS 3418 Heyco 1: £2.16 98In Stock	Mfr. Part No. 3418 Mouser Part No 836-3418	Heyco	Conduit Fittings & Accessories TP-PG29 GRAY PG THRD PLUGS Learn More about Heyco npt pg threaded plugs	Datasheet	98In Stock	£2.16 £1.89 £1.86 £1.56 View £1.55 £1.46	Min.: 1 Mult.: 1		Hole Plug		Polystyrene (PS)	Gray
Conduit Fittings & Accessories 3/8 NPT BLACK THREADED PLUG 3545B Heyco 1: £0.717 494In Stock 3,500On Order	Mfr. Part No. 3545B Mouser Part No 836-3545B	Heyco	Conduit Fittings & Accessories 3/8 NPT BLACK THREADED PLUG Learn More about Heyco npt pg threaded plugs	Datasheet	494In Stock 3,500On Order On Order Ship Dates Mfr. No: 3545B Stock: 494 Can Dispatch Immediately On Order: 1,000 Expected 18/11/2026 2,500 Expected 19/11/2026 Factory Lead Time: 3 Weeks	£0.717 £0.606 £0.563 £0.537 View £0.51 £0.479 £0.455 £0.433 £0.415	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	3/8 in NPT		Black
Conduit Fittings & Accessories LTTP PG9 BLK INTEGRAL RING 3575B Heyco 1: £0.717 2,673In Stock	Mfr. Part No. 3575B Mouser Part No 836-3575B	Heyco	Conduit Fittings & Accessories LTTP PG9 BLK INTEGRAL RING Learn More about Heyco npt pg threaded plugs	Datasheet	2,673In Stock	£0.717 £0.684 £0.406	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	PG9	Nylon	Black
Conduit Fittings & Accessories LTTP PG13.5 BLK INTEGRAL RING 3576B Heyco 1: £0.925 466In Stock	Mfr. Part No. 3576B Mouser Part No 836-3576B	Heyco	Conduit Fittings & Accessories LTTP PG13.5 BLK INTEGRAL RING Learn More about Heyco npt pg threaded plugs	Datasheet	466In Stock	£0.925 £0.615 £0.582 £0.514	Min.: 1 Mult.: 1	Hole Plugs	Threaded Plug	PG13.5	Nylon	Black
Conduit Fittings & Accessories TP-PG36 GRAY PG THRD PLUGS 3415 Heyco 1: £5.08 Non-Stocked	Mfr. Part No. 3415 Mouser Part No 836-3415	Heyco	Conduit Fittings & Accessories TP-PG36 GRAY PG THRD PLUGS Learn More about Heyco npt pg threaded plugs	Datasheet	Non-Stocked	£5.08 £4.33 £4.03 £3.99 View £3.82 £3.65 £3.55 £3.41 £3.27	Min.: 1 Mult.: 1		Hole Plug		Polystyrene (PS)	Gray
Conduit Fittings & Accessories TP-PG48 GRAY PG THRD PLUGS 3417 Heyco 1: £5.64 Non-Stocked	Mfr. Part No. 3417 Mouser Part No 836-3417	Heyco	Conduit Fittings & Accessories TP-PG48 GRAY PG THRD PLUGS Learn More about Heyco npt pg threaded plugs	Datasheet	Non-Stocked	£5.64 £4.79 £4.43 £4.33 View £4.14 £3.99 £3.88 £3.73 £3.55	Min.: 1 Mult.: 1		Hole Plug		Polystyrene (PS)	Gray

Nylon Liquid Tight Threaded Plugs

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Nylon Liquid Tight Threaded Plugs

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