Tire Air Nozzles | McMaster-Carr

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Schrader Valve Connection Type

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Connects To

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Material

Hose Length

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EAR99

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Yes

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Exempt

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53 Products

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	—	6146A23	00000	10	6146A231	000000
B	Straight	1	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	3 1/4"	150	Buna-N	6146A25	00000	10	6146A251	000000
C	Angled	2	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	5 1/4"	150	Buna-N	6701A41	00000	10	6701A411	00000
D	Angled, Straight	2	0.305"-32	Schrader	Female	Threaded	Pipe	1/4	NPT	—	Female	5 1/4"	150	Buna-N	6146A103	00000	10	6146A107	000000
E	Angled	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	1/4"	Male	2 1/4"	150	—	6146A21	0000	10	6146A211	00000
E	Angled	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	3/8"	Male	2 1/2"	150	—	6146A22	0000	10	6146A26	00000

Accessories and Replacements for Air Chucks

For Style	Clip Lg.	Material		Each
A, E	1 1/2"	Metal	6146A101	000000

For Style	Material	Pkg. Qty.		Pkg.
B, C, D	Buna-N	10	6146A104	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	6140A62	000000
G	Angled	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	1/4"	Male	2 1/4"	1 1/2"	150	6140A61	00000
H	Straight	1	0.305"-32	Schrader	Female	Barbed	Tube	—	—	1/4"	Male	1 1/2"	1 1/4"	150	6146A102	0000

Replacement Sealing Washers

For Style	Material	Pkg. Qty.		Pkg.
H	Buna-N	10	6146A105	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	3536N1	000000
J	Straight	1	0.485"-26	Schrader	Female	Threaded	Pipe	1/4	NPT	Female	1 3/4"	90	6146A106	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	3536N2	00000	10	3536N21	000000

Inflator Tire Gauges

Mate these gauges to a compressed air line to measure pressure while inflating tires. They are strong enough to stand up to constant use.

Indicator Bar Readout


Angled Head 1 Head	Angled Head 2 Heads	With One Straight Head

Indicator bar readouts slide out of the top of the gauge to display pressure readings.

Rubber Sleeve—Gauges with a rubber sleeve prevent metal-to-metal contact with your tire to avoid damaging it.

	Tire Gauges																Replacement Hose
						Hose		Air Inlet			Air Outlet
	Head Type	No. of Heads	Pressure Range	Pressure Numeric Increments, psi	Indicator Bar Material	Lg.	Material	Connection Port	Pipe Size	Thread Type	Thread Size	Thread Type	Schrader Valve Connection Type	Features		Each		Each
Aluminum



		Angled	1	10 psi to 120 psi, 80 kPa to 840 kPa	2	Plastic	12"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	Press-and-Hold	—	6113A11	000000	———	0


		Angled	2	10 psi to 120 psi, 80 kPa to 840 kPa	2	Plastic	12"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	Press-and-Hold	—	6113A12	00000	6647A13	000000
		Straight	1	10 psi to 120 psi, 80 kPa to 840 kPa	2	Plastic	12"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	Press-and-Hold	—	6647A14	00000	———	0


		Zinc-Plated Zinc Alloy



				Angled	2	10 psi to 120 psi, 1 kg/cm² to 5 kg/cm²	2	Brass	12"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	Press-and-Hold	Rubber Sleeve	6113A102	00000	———	0


				Straight	1	10 psi to 90 psi, 1 kg/cm² to 5 kg/cm²	2	Brass	12"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	Press-and-Hold	Rubber Sleeve	6113A101	00000	———	0

Magnifying Lens Readout


Angled Head 1 Head	Angled Head 2 Heads

Angled Head Straight Head 2 Heads	Straight Head 1 Head

0.485"-26—Gauges with a 0.485”-26 air outlet thread size have a large bore chuck head. Use these gauges with construction and heavy equipment that have large bore valves.

OSHA Compliant 29 CFR 1910.177—Gauges that meet OSHA 29 CFR 1910.177 are designed to safely fill sidewall truck tires. They have a hose long enough to inflate the tires from a safe distance.

	Tire Gauges															Replacement Hose
					Hose		Air Inlet			Air Outlet
	Head Type	No. of Heads	Pressure Range, psi	Pressure Numeric Increments, psi	Lg.	Material	Connection Port	Pipe Size	Thread Type	Thread Size	Thread Type	Specs. Met	Schrader Valve Connection Type		Each		Each
Aluminum



		Angled	1	10 to 160	2	15"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	—	Press-and-Hold	6647A32	000000	———	0


		Angled	2	10 to 160	2	15"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	—	Press-and-Hold	6647A34	00000	6647A42	000000
		Angled, Straight	2	10 to 160	2	15"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	—	Press-and-Hold	6647A68	00000	6647A78	00000
		Angled	2	10 to 160	2	15"	Rubber	Pipe	1/4	NPT	0.485"-26	Schrader	—	Press-and-Hold	6647A23	00000	———	0
		Angled, Straight	2	10 to 160	2	15 ft.	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	OSHA Compliant 29 CFR 1910.177	Press-and-Hold	6647A72	000000	6647A12	00000
		Straight	1	10 to 160	2	15"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	—	Press-and-Hold	6647A55	00000	6647A11	00000
		Straight	1	10 to 160	2	6 ft.	Rubber	Pipe	1/4	NPT	0.485"-26	Schrader	OSHA Compliant 29 CFR 1910.177	Press-and-Hold	6647A16	000000	———	0

Dial Readout


Angled Head 2 Heads	Straight Head 2 Heads

Lock-On Threads—Gauges with lock-on threads securely attach to your valve stem threads, so you don’t have to hold the valve stem.

					Hose		Air Inlet			Air Outlet
	Head Type	No. of Heads	Pressure Range, psi	Pressure Numeric Increments, psi	Lg.	Material	Connection Port	Pipe Size	Thread Type	Thread Size	Thread Type	Schrader Valve Connection Type	Features		Each
Aluminum



		Angled	2	0 to 160	2	15"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	Press-and-Hold	—	6647A18	0000000


		Straight	2	0 to 160	2	15"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	Press-and-Hold	Lock-On Threads	6647A21	000000

Digital Readout


Angled Head 2 Heads	Angled Head Straight Head 2 Heads

Straight Head 1 Head

OSHA Compliant 29 CFR 1910.177—Gauges that meet OSHA 29 CFR 1910.177 are designed to safely fill sidewall truck tires. They have a hose long enough to inflate the tires from a safe distance.

Clip On—Gauges with a clip-on Schrader connection don't require you to hold them while you’re filling up your tire.

					Hose		Air Inlet			Air Outlet
	Head Type	No. of Heads	Pressure Range	Pressure Numeric Increments, psi	Lg.	Material	Connection Port	Pipe Size	Thread Type	Thread Size	Thread Type	Specs. Met	Schrader Valve Connection Type		Each
Aluminum



		Angled	2	0 psi to 255 psi; 0 kPa to 1,800 kPa	0.1	15"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	—	Press-and-Hold	6647A19	0000000


		Angled, Straight	2	0 psi to 255 psi; 0 kPa to 1,800 kPa	0.1	15"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	—	Press-and-Hold	6647A22	000000
		Straight	1	0 psi to 255 psi; 0 kPa to 1,800 kPa	0.1	20"	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	—	Press-and-Hold	6647A17	000000


		Chrome-Plated Zinc Alloy



				Straight	1	0 psi to 150 psi; 0 kPa to 1,030 kPa	0.1	5 ft.	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	OSHA Compliant 29 CFR 1910.177	Clip On	6647A101	000000


				Straight	1	0 psi to 150 psi; 0 kPa to 1,030 kPa	0.1	10 ft.	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	OSHA Compliant 29 CFR 1910.177	Clip On	6647A103	000000
				Straight	1	0 psi to 150 psi; 0 kPa to 1,030 kPa	0.1	15 ft.	Rubber	Pipe	1/4	NPT	0.305"-32	Schrader	OSHA Compliant 29 CFR 1910.177	Clip On	6647A102	000000

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	3534N4	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	3534N1	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	3534N3	000000


		70° Elbow



				0.305"-32	Brass	7/16"-20	Brass	1/4"	5,000	Not Rated	Not Rated	—	—	3534N6	00000


				90° Elbow With Shutoff



						0.305"-32	Brass	3/8"-24	Brass	3/16"	3,000	-40	160	Core Depressor Pin	SAE AS4395	3534N2	00000


						0.485"-26	Brass	3/8"-24	Brass	3/16"	3,000	-40	160	Core Depressor Pin	—	3534N5	00000