Conduit Fittings & Accessories

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Heyco-Flex™ Liquid Tight Conduit Fittings

Heyco Heyco-Flex™ Liquid Tight Conduit Fittings are designed for use with flexible, non-metallic Liquid Tight Heyco-Flex I Conduit and Heyco-Flex II Tubing. No disassembly of these Heyco conduit fittings is required. The installer can push the conduit or tubing onto the ferrule, then tighten the domed sealing nut. The completed assembly can be secured in the panel using the locknut or into an NPT threaded hole. A convex ferrule ensures a liquid-tight seal. No threading of the conduit is needed for assembly, eliminating the risk of cutting the conduit and creating leak paths. The complex conduit/connector system is reusable, and the fittings are offered in multiple sizes. Heyco-Flex Liquid Tight Conduit Fittings are suitable for indoor/outdoor use by original equipment manufacturers or field installers.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Type	Thread Size	Length	Material	Color	Conduit Size	Packaging
Conduit Fittings & Accessories HFC 1/4-PG-7 BLKw/ 3165 NUT 8398 Heyco 1: S/ 8.17 3,828In Stock	Mfr. Part # 8398 Mouser Part # 836-8398	Heyco	Conduit Fittings & Accessories HFC 1/4-PG-7 BLKw/ 3165 NUT Learn More about Heyco flex liquid tight conduit fittings	Datasheet	3,828In Stock	S/ 8.17 S/ 6.11 S/ 5.84 S/ 5.64 View S/ 5.41 S/ 5.14 S/ 4.94 S/ 4.75 S/ 4.55	Min.: 1 Mult.: 1	Conduit Fittings	Fittings		PG7	28.7 mm		Black
Conduit Fittings & Accessories 3/8" BLACK STRAIGHT 8400 Heyco 1: S/ 7.98 1,336In Stock	Mfr. Part # 8400 Mouser Part # 836-8400	Heyco	Conduit Fittings & Accessories 3/8" BLACK STRAIGHT Learn More about Heyco flex liquid tight conduit fittings	Datasheet	1,336In Stock	S/ 7.98 S/ 6.81 S/ 6.38 S/ 6.11 View S/ 5.80 S/ 5.33 S/ 5.14 S/ 4.90 S/ 4.59	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Hex Standoff	3/8 in NPT	16 mm	Nylon 6.6	Black	3/8 in
Conduit Fittings & Accessories 1/2" BLACK STRAIGHT 8402 Heyco 1: S/ 7.36 11,616In Stock	Mfr. Part # 8402 Mouser Part # 836-8402	Heyco	Conduit Fittings & Accessories 1/2" BLACK STRAIGHT Learn More about Heyco flex liquid tight conduit fittings	Datasheet	11,616In Stock	S/ 7.36 S/ 6.27 S/ 5.64 S/ 5.45 View S/ 5.25 S/ 4.75 S/ 4.71 S/ 4.48 S/ 4.20	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Hex Standoff	1/2 in NPT	16 mm	Nylon 6.6	Black	1/2 in	Tube
Conduit Fittings & Accessories 1/2 GRAY STRAIGHT 8403 Heyco 1: S/ 7.28 2,744In Stock	Mfr. Part # 8403 Mouser Part # 836-8403	Heyco	Conduit Fittings & Accessories 1/2 GRAY STRAIGHT Learn More about Heyco flex liquid tight conduit fittings	Datasheet	2,744In Stock	S/ 7.28 S/ 6.27 S/ 5.88 S/ 5.53 View S/ 5.33 S/ 4.79 S/ 4.71 S/ 4.48 S/ 4.20	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Hex Standoff	1/2 in NPT	16 mm	Nylon 6.6	Gray	1/2 in
Conduit Fittings & Accessories 3/4" BLACK STRAIGHT 8404 Heyco 1: S/ 10.35 10,231In Stock	Mfr. Part # 8404 Mouser Part # 836-8404	Heyco	Conduit Fittings & Accessories 3/4" BLACK STRAIGHT Learn More about Heyco flex liquid tight conduit fittings	Datasheet	10,231In Stock	S/ 10.35 S/ 8.87 S/ 8.29 S/ 7.82 View S/ 7.16 S/ 6.81 S/ 6.62 S/ 6.38 S/ 5.96	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Hex Standoff	3/4 in NPT	16 mm	Nylon 6.6	Black	3/4 in
Conduit Fittings & Accessories 1" BLACK STRAIGHT 8406 Heyco 1: S/ 15.03 1,029In Stock	Mfr. Part # 8406 Mouser Part # 836-8406	Heyco	Conduit Fittings & Accessories 1" BLACK STRAIGHT Learn More about Heyco flex liquid tight conduit fittings	Datasheet	1,029In Stock	S/ 15.03 S/ 12.77 S/ 11.95 S/ 11.41 View S/ 10.63 S/ 10.08 S/ 9.81 S/ 9.46 S/ 8.60	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Hex Standoff	1 in NPT	37.3 mm	Nylon 6.6	Black	1 in
Conduit Fittings & Accessories HFC 1-1/4 BLACK 8638 Heyco 1: S/ 49.51 186In Stock	Mfr. Part # 8638 Mouser Part # 836-8638	Heyco	Conduit Fittings & Accessories HFC 1-1/4 BLACK Learn More about Heyco flex liquid tight conduit fittings	Datasheet	186In Stock	S/ 49.51 S/ 43.91 S/ 40.21 S/ 38.26 View S/ 36.32 S/ 33.94 S/ 32.39 S/ 31.26 Quote	Min.: 1 Mult.: 1	Conduit Fittings	Fittings		1-1/4 in NPT	52.6 mm	Nylon	Black
Conduit Fittings & Accessories 3/4 GRAY STRAIGHT 8405 Heyco 1: S/ 10.16 320In Stock	Mfr. Part # 8405 Mouser Part # 836-8405	Heyco	Conduit Fittings & Accessories 3/4 GRAY STRAIGHT Learn More about Heyco flex liquid tight conduit fittings	Datasheet	320In Stock	S/ 10.16 S/ 8.64 S/ 8.10 S/ 7.75 View S/ 7.36 S/ 6.85 S/ 6.54 S/ 6.23 S/ 5.84	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Hex Standoff	3/4 in NPT	16 mm	Nylon 6.6	Gray	3/4 in
Conduit Fittings & Accessories HFC 2 BLACK 8642 Heyco 1: S/ 57.69 49In Stock	Mfr. Part # 8642 Mouser Part # 836-8642	Heyco	Conduit Fittings & Accessories HFC 2 BLACK Learn More about Heyco flex liquid tight conduit fittings	Datasheet	49In Stock	S/ 57.69 S/ 49.05 S/ 45.97 S/ 39.00 View S/ 38.19 S/ 37.37 S/ 36.39 Quote	Min.: 1 Mult.: 1	Conduit Fittings	Fittings					Black
Conduit Fittings & Accessories 3/8 GRAY STRAIGHT 8401 Heyco 1: S/ 8.52 8In Stock	Mfr. Part # 8401 Mouser Part # 836-8401	Heyco	Conduit Fittings & Accessories 3/8 GRAY STRAIGHT Learn More about Heyco flex liquid tight conduit fittings	Datasheet	8In Stock	S/ 8.52 S/ 7.24 S/ 6.77 S/ 6.46 View S/ 6.15 S/ 5.72 S/ 5.45 S/ 5.18 S/ 4.87	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Hex Standoff	1/2 NPT	16 mm	Nylon 6.6	Gray	3/8 in
Conduit Fittings & Accessories HFC 1-1/2 BLACK 8640 Heyco 1: S/ 56.21 150Expected 11/4/2026	Mfr. Part # 8640 Mouser Part # 836-8640	Heyco	Conduit Fittings & Accessories HFC 1-1/2 BLACK Learn More about Heyco flex liquid tight conduit fittings	Datasheet	150Expected 11/4/2026	S/ 56.21 S/ 47.76 S/ 45.58 S/ 45.54 View S/ 42.04 S/ 40.72 S/ 39.90 S/ 39.24	Min.: 1 Mult.: 1	Conduit Fittings	Fittings		1-1/2 in NPT	38.1 mm	Nylon	Black
Conduit Fittings & Accessories 1"GRAY STRAIGHT 8407 Heyco 1: S/ 15.03 600Factory Stock Available	Mfr. Part # 8407 Mouser Part # 836-8407	Heyco	Conduit Fittings & Accessories 1"GRAY STRAIGHT Learn More about Heyco flex liquid tight conduit fittings	Datasheet	600Factory Stock Available More Info Available	S/ 15.03 S/ 12.57 S/ 12.14 S/ 10.94 View S/ 10.32 S/ 10.20 S/ 9.93 S/ 9.69 S/ 9.23	Min.: 1 Mult.: 1	Conduit Fittings	Fittings	Hex Standoff	1 NPT	37.3 mm	Nylon 6.6	Gray	1 in
Conduit Fittings & Accessories HFC 2 GRAY 8643 Heyco 1: S/ 71.58 300Factory Stock Available	Mfr. Part # 8643 Mouser Part # 836-8643	Heyco	Conduit Fittings & Accessories HFC 2 GRAY Learn More about Heyco flex liquid tight conduit fittings	Datasheet	300Factory Stock Available More Info Available	S/ 71.58 S/ 60.80 S/ 57.03 S/ 55.16 View S/ 52.51 S/ 49.24 S/ 46.90	Min.: 1 Mult.: 1	Conduit Fittings	Fittings					Gray
Conduit Fittings & Accessories HFC 1-1/4 GRAY 8639 Heyco 1: S/ 46.40 Non-Stocked	Mfr. Part # 8639 Mouser Part # 836-8639	Heyco	Conduit Fittings & Accessories HFC 1-1/4 GRAY Learn More about Heyco flex liquid tight conduit fittings	Datasheet	Non-Stocked	S/ 46.40 S/ 42.19 S/ 39.00 S/ 38.03 View S/ 37.21 S/ 36.01 S/ 35.27 S/ 34.68	Min.: 1 Mult.: 1	Conduit Fittings	Fittings					Gray
Conduit Fittings & Accessories HFC 1-1/2 GRAY 8641 Heyco 1: S/ 51.89 Non-Stocked	Mfr. Part # 8641 Mouser Part # 836-8641	Heyco	Conduit Fittings & Accessories HFC 1-1/2 GRAY Learn More about Heyco flex liquid tight conduit fittings	Datasheet	Non-Stocked	S/ 51.89 S/ 47.18 S/ 43.60 S/ 42.08 View S/ 41.81 S/ 40.44 S/ 39.63 S/ 39.00 Quote	Min.: 1 Mult.: 1	Conduit Fittings	Fittings					Gray

Heyco-Flex™ Liquid Tight Conduit Fittings

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