Schrader Pipe Fittings | McMaster-Carr

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58 Products

Air Chucks for High-Pressure Fill Valves

Fill tanks and recharge struts—these air chucks join hose to high-pressure fill valves with Schrader threads.

Schrader Female Threaded Hose × NPT Female Threaded Pipe

70° Elbow

70° Elbow—70° elbow chucks are angled to access hard-to-reach valves.

	Inlet					Temp. Range, ° F
	Thread Size	Pipe Size	Material	Outlet Material	Max. Pressure, psi	Min.	Max.		Each
70° Elbow



		0.305"-32	1/8	Brass	Brass	3,000	-20	250	000000	000000

Schrader Female Threaded Hose × NPT Male Threaded Pipe

90° Elbow With

Shutoff

With Shutoff—Chucks with a shut-off valve let you control the flow of air by hand. When used with Schrader valves that have a core, the core depressor pin in these chucks press valves open to let air flow in.

	Inlet					Temp. Range, ° F
	Thread Size	Pipe Size	Material	Outlet Material	Max. Pressure, psi	Min.	Max.	Features		Each
90° Elbow With Shutoff



		0.305"-32	1/8	Brass	Brass	3,000	-40	160	Core Depressor Pin	000000	000000

Schrader Female Threaded Hose × UN/UNF (JIC) Male 37° Flared Tube


Straight	70° Elbow	90° Elbow With Shutoff

70° Elbow—70° elbow chucks are angled to access hard-to-reach valves.

SAE AS4395—These chucks meet SAE AS4395, an automotive industry standard for flared fitting dimensions.

	Inlet		Outlet				Temp. Range, ° F
	Thread Size	Material	Thread Size	Material	For Tube OD	Max. Pressure, psi	Min.	Max.	Features	Specs. Met		Each
Straight



		0.305"-32	Zinc-Plated Steel	7/16"-20	Stainless Steel	1/4"	5,000	-20	250	—	SAE AS4395	000000	000000


		70° Elbow



				0.305"-32	Brass	7/16"-20	Brass	1/4"	5,000	Not Rated	Not Rated	—	—	000000	00000


				90° Elbow With Shutoff



						0.305"-32	Brass	3/8"-24	Brass	3/16"	3,000	-40	160	Core Depressor Pin	SAE AS4395	000000	00000


						0.485"-26	Brass	3/8"-24	Brass	3/16"	3,000	-40	160	Core Depressor Pin	—	000000	00000

Air Fill Valves

Also known as Schrader valves, these valves rapidly fill or empty compressed air tanks or pneumatic tires.

NPT Male Threaded Pipe Inlet × Schrader Male Threaded Hose Outlet

Brass Body—Brass valves are softer than other metals, so they’re easier to thread together. They have good corrosion resistance.

Nickel-Plated Brass Body—Nickel-plated brass valves have better corrosion resistance than unplated brass valves.

Stainless Steel Body—Stainless steel valves have very good corrosion resistance, so they’re the best choice for high humidity environments.

		Outlet
	Inlet Pipe Size	Thread Size	Connection Lg.	Max. Pressure, psi	Temp. Range, ° F	Overall Lg.	Hex Size	Includes		Each
Brass Body



		1/8	0.305"-32	3/8"	200	-40 to 225	15/16"	7/16"	Thread Cap	0000000	00000


		1/8	0.305"-32	11/16"	200	-40 to 225	1 5/16"	7/16"	Thread Cap	0000000	0000
		1/8	0.305"-32	7/8"	200	-40 to 225	1 5/16"	7/16"	Thread Cap	0000000	0000
		1/4	0.305"-32	9/16"	200	-40 to 225	1 5/16"	9/16"	Thread Cap	0000000	0000
		1/4	0.305"-32	9/16"	4,000	-40 to 225	1 5/16"	9/16"	Thread Cap	0000000	0000


		Nickel-Plated Brass Body



				1/8	0.305"-32	3/8"	200	-40 to 225	15/16"	7/16"	Thread Cap	0000000	0000


				1/8	0.305"-32	3/8"	4,000	-40 to 225	15/16"	7/16"	Thread Cap	0000000	0000
				1/8	0.305"-32	7/16"	200	-40 to 225	7/8"	7/16"	Thread Cap	0000000	0000
				1/8	0.305"-32	7/16"	200	-40 to 225	1 5/16"	7/16"	Thread Cap	0000000	0000
				1/8	0.305"-32	7/16"	4,000	-40 to 225	7/8"	7/16"	Thread Cap	0000000	0000
				1/8	0.305"-32	7/16"	4,000	-40 to 225	1 5/16"	7/16"	Thread Cap	0000000	0000
				1/8	0.305"-32	11/16"	200	-40 to 225	1 5/16"	7/16"	Thread Cap	0000000	0000
				1/8	0.305"-32	11/16"	4,000	-40 to 225	1 5/16"	7/16"	Thread Cap	0000000	0000
				1/4	0.305"-32	9/16"	200	-40 to 225	1 5/16"	9/16"	Thread Cap	0000000	0000


				Stainless Steel Body



						1/8	0.305"-32	7/16"	200	-40 to 225	1 1/4"	7/16"	Filter, Thread Cap	0000000	00000


						1/8	0.305"-32	7/16"	4,000	-40 to 225	1 5/16"	7/16"	Filter, Thread Cap	0000000	00000

UN/UNF (SAE Straight) Male Threaded Pipe Inlet × Schrader Male Threaded Hose Outlet

Stainless Steel Body—Stainless steel valves have very good corrosion resistance, so they’re the best choice for high humidity environments.

		Outlet
	Thread Size	Thread Size	Connection Lg.	Max. Pressure, psi	Temp. Range, ° F	Overall Lg.	Hex Size	Includes		Each
Stainless Steel Body



		1/2"-20	0.482"-26	1/2"	4,000	-40 to 225	1 5/8"	9/16"	Thread Cap	0000000	000000

Metric Male Threaded Pipe Inlet × Schrader Male Threaded Hose Outlet

Brass Body—Brass valves are softer than other metals, so they’re easier to thread together. They have good corrosion resistance.

		Outlet
	Thread Size	Thread Size	Connection Lg.	Max. Pressure, psi	Temp. Range, ° F	Overall Lg.	Hex Size, mm	Includes		Each
Brass Body



		M10 × 1 mm	0.305"-32	7/16"	200	-40 to 225	1"	14	O-Ring, Thread Cap	0000000	00000


		M10 × 1 mm	0.305"-32	7/16"	4,000	-40 to 225	1"	14	O-Ring, Thread Cap	0000000	00000

Air Chucks


Style A	Style B	Style C	Style D	Style E	Style F

Style G	Style H	Style J	Style K	Sealing Washers for Styles B, C, and D	Sealing Washers for Style H

Attach these chucks to your air hose so you can connect the hose to Schrader valves. Most often recognized from car and bike tires, Schrader valves are also commonly found on compressed air tanks and high-pressure hydraulic systems. Do not use these air chucks with tire inflator gauges.

Press-and-Hold Schrader Valve Connection


Style A	Style B	Style C	Style D	Style E

2 Outlets—Chucks with 2 outlets can be used at different angles and have an extended reach, so they’re ideal if your valve is hard to reach or in an awkward spot.

For 0.305"-32 Thread Size—Air chucks for a 0.305”-32 thread size fit standard-bore Schrader valves.

	Outlet					Inlet									Each		Package
Style	Shape	No. of	For Thread Size	For Thread Type	Gender	Fitting Connection	Connects to	Pipe Size	Thread Type	For Tube ID	Gender	Lg.	Max. Pressure, psi	Washer Material		Each	Pkg. Qty.		Pkg.
A	Angled	1	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	1 1/4"	150	—	0000000	00000	10	00000000	000000
B	Straight	1	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	3 1/4"	150	Buna-N	0000000	00000	10	00000000	000000
C	Angled	2	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	5 1/4"	150	Buna-N	0000000	00000	10	00000000	00000
D	Angled, Straight	2	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	5 1/4"	150	Buna-N	00000000	00000	10	00000000	000000
E	Angled	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	1/4"	Male	2 1/4"	150	—	0000000	0000	10	00000000	00000
E	Angled	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	3/8"	Male	2 1/2"	150	—	0000000	0000	10	0000000	00000

Accessories and Replacements for Air Chucks

For Style	Clip Lg.	Material		Each
A, E	1 1/2"	Metal	00000000	000000

For Style	Material	Pkg. Qty.		Pkg.
B, C, D	Buna-N	10	00000000	00000

Clip-On Schrader Valve Connection


Style F	Style G	Style H

Chucks with a clip-on Schrader valve connection attach to the valve stem, so you don’t need to hold them as the valve fills.

For 0.305"-32 Thread Size—Air chucks for a 0.305”-32 thread size fit standard-bore Schrader valves.

	Outlet					Inlet
Style	Shape	No. of	For Thread Size	For Thread Type	Gender	Fitting Connection	Connects to	Pipe Size	Thread Type	For Tube ID	Gender	Lg.	Clip Lg.	Max. Pressure, psi		Each
F	Angled	1	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	2 3/4"	1 3/4"	150	0000000	000000
G	Angled	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	1/4"	Male	2 1/4"	1 1/2"	150	0000000	00000
H	Straight	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	1/4"	Male	1 1/2"	1 1/4"	150	00000000	0000

Replacement Sealing Washers

For Style	Material	Pkg. Qty.		Pkg.
H	Buna-N	10	00000000	00000

Sleeve-Lock Schrader Valve Connection

Style J

Chucks with a sleeve-lock Schrader valve connection grab onto the valve by sliding the sleeve forward onto the valve. To disconnect, slide the sleeve back and pull out the valve.

For 0.305"-32 Thread Size—Air chucks for a 0.305”-32 thread size fit standard-bore Schrader valves.

For 0.485"-26 Thread Size—Air chucks for a 0.485”-26 thread size fit large-bore Schrader valves.

	Outlet					Inlet
Style	Shape	No. of	For Thread Size	For Thread Type	Gender	Fitting Connection	Connects to	Pipe Size	Thread Type	Gender	Lg.	Max. Pressure, psi		Each
J	Straight	1	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	Female	1 1/2"	120	000000	000000
J	Straight	1	0.485"-26	Schrader	Female	Threaded	Pipe	1/4	NPT	Female	1 3/4"	90	00000000	00000

Threaded Schrader Valve Connection

Style K

Chucks with a threaded Schrader valve connection screw onto valves for a secure connection that you don’t need to hold in place.

For 0.305"-32 Thread Size—Air chucks for a 0.305”-32 thread size fit standard-bore Schrader valves.

	Outlet					Inlet						Each		Package
Style	Shape	No. of	For Thread Size	For Thread Type	Gender	Fitting Connection	Connects to	For Tube ID	Gender	Lg.	Max. Pressure, psi		Each	Pkg. Qty.		Pkg.
K	Straight	1	0.305"-32	Schrader	Female	Barbed	Tube	7/32"	Male	1"	120	000000	00000	10	0000000	000000

High-Pressure Fill Valves for Air and Hydraulic Fluid

Add air and hydraulic fluid to high-pressure struts, tanks, and hydraulic accumulators—these fill valves withstand pressures up to 5,000 psi. They meet MIL-PRF-6164, a military spec for high-pressure pneumatic valves used on aircrafts. Their stainless steel body resists rust in wet environments.

Screw a coupler (not included) onto these valves to open them and let air flow in.

UNJ/UNJF (SAE Straight) Male Threaded Pipe Inlet × Schrader Male Threaded Hose Outlet


Air Valves	Air Valves with Locking Wire

Air Valves with Locking Wire—Valves with locking wire resist vibration to stay securely fastened.

		Outlet								Air Valves		Air Valves with Locking Wire
	Thread Size	Thread Size	Connection Lg.	Max. Pressure, psi	Temp. Range, ° F	Overall Lg.	Hex Size	Includes	Mil. Spec.		Each		Each
303 Stainless Steel Body



		1/2"-20	0.305"-32	1/2"	5,000	-40 to 250	1 9/16"	3/4"	Thread Cap	MIL-PRF-6164	000000	000000	000000	000000

Expansion Plugs with Bypass


Style G	Style J	Style K

Use the bypass tube on these plugs to add air, water, and other fluid to your pipeline or to relieve pressure while testing. The seal expands to temporarily close off pipe openings.

Style G—For Style G, twist the easy-grip T-handle to expand the seal. They have a Schrader valve bypass. An internal spring holds the valve shut until you depress the pin, giving you control over air flow.

Style J—For Style J, twist the wing nut to expand the seal. They have a Schrader valve bypass. An internal spring holds the valve shut until you depress the pin, giving you control over air flow.

Style K—For Style K, twist the wing nut to expand the seal. They have a Schrader valve bypass. An internal spring holds the valve shut until you depress the pin, giving you control over air flow.

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

	For Pipe		Max. Back Pressure				Material		Bypass
	Size	ID	Air, psi	Water, ft. of head	Overall Ht.	Temp. Range, ° F	Seal	Bypass Cap	Thread Type	Thread Size		Each
Style G







				Zinc-Plated Steel Stem

				1	0.94" to 1.03"	10	23	3 3/4"	-40 to 210	Neoprene	Plastic	Schrader	0.305"-32	00000000	0000000


				1 1/2	1.44" to 1.58"	10	23	4"	-40 to 210	Neoprene	Plastic	Schrader	0.305"-32	00000000	000000
				2 1/2	2.44" to 2.71"	5	12	4 15/16"	-40 to 210	Neoprene	Plastic	Schrader	0.305"-32	00000000	000000


				Style J







								Zinc-Plated Steel Stem

								3/4	0.72" to 0.79"	10	23	3 7/16"	-40 to 210	Neoprene	Plastic	Schrader	0.305"-32	00000000	000000


								7/8	0.81" to 0.89"	10	23	3 5/8"	-40 to 210	Neoprene	Plastic	Schrader	0.305"-32	00000000	000000


								Style K







												Plastic Stem

												1 1/2	1.50" to 1.71"	40	92	3 3/4"	—	PVC	Plastic	Schrader	0.305"-32	0000000	00000


												2	1.86" to 2.06"	30	69	3 3/4"	—	PVC	Plastic	Schrader	0.305"-32	0000000	00000
												3	2.84" to 3.09"	20	46	3 3/4"	—	PVC	Plastic	Schrader	0.305"-32	0000000	00000
												4	3.89" to 4.15"	10	23	3 3/4"	—	PVC	Plastic	Schrader	0.305"-32	0000000	00000