Bronze Nipples | McMaster-Carr

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How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Metal Barbed Hose Fittings for Air and Water

Slide the barbed end into rubber hose and secure with the appropriate clamp or crimp-on hose ferrule.

Bronze fittings have better corrosion resistance and are stronger than brass and aluminum fittings. A pipe thread sealant is recommended to seal bronze fittings with BSPP male threads, which is unlike other materials that can often use a gasket.

Fittings with a threaded end are also known as hose nipples.

For technical drawings and 3-D models, click on a part number.

Straight Adapters, Hose × NPT/NPTF Male Threaded Pipe

Maximum Pressure: See table
Maximum Vacuum: See table
Temperature Range: See table
Attachment Type: See table
Specifications Met: See table

Bronze
For Hose ID	Pipe Size	Max. Pressure	Max. Vacuum	Temperature Range, °F	Attachment Type	Specifications Met	Pkg. Qty.		Pkg.
1/2"	1/2	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	00000
5/8"	1/2	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	0000
3/4"	3/4	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	0000
1"	1	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	00000
1 1/8"	1 1/4	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	00000
1 1/4"	1 1/4	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	00000
1 1/2"	1 1/2	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	00000
2"	2	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	00000
2 1/2"	2 1/2	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	00000
3"	3	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	00000
4"	4	100 psi @ 72° F	Not Rated	32° to 212°	Worm-Drive Clamp	ASTM B584, UL 1121	1	0000000	000000

Straight Adapters, Hose × BSPP Male Threaded Pipe

Maximum Pressure: See table
Maximum Vacuum: See table
Temperature Range: See table
Attachment Type: See table
Specifications Met: Bronze Fittings: ASTM B584

Bronze
For Hose ID	Pipe Size	Max. Pressure	Max. Vacuum	Temperature Range, °F	Attachment Type	Pkg. Qty.		Pkg.
12mm	1/2	100 psi @ 72° F	Not Rated	-32° to 212°	Worm-Drive Clamp	1	00000000	00000
20mm	3/4	100 psi @ 72° F	Not Rated	-32° to 212°	Worm-Drive Clamp	1	00000000	00000
25mm	1	100 psi @ 72° F	Not Rated	-32° to 212°	Worm-Drive Clamp	1	00000000	00000
32mm	1 1/4	100 psi @ 72° F	Not Rated	-32° to 212°	Worm-Drive Clamp	1	00000000	00000
40mm	1 1/2	100 psi @ 72° F	Not Rated	-32° to 212°	Worm-Drive Clamp	1	00000000	00000
50mm	2	100 psi @ 72° F	Not Rated	-32° to 212°	Worm-Drive Clamp	1	00000000	00000
60mm	2 1/2	100 psi @ 72° F	Not Rated	-32° to 212°	Worm-Drive Clamp	1	00000000	00000
75mm	3	100 psi @ 72° F	Not Rated	-32° to 212°	Worm-Drive Clamp	1	00000000	00000
100mm	4	100 psi @ 72° F	Not Rated	-32° to 212°	Worm-Drive Clamp	1	00000000	000000

90° Elbow Adapters, Hose × NPT/NPTF Male Threaded Pipe

Maximum Pressure: See table
Temperature Range: Brass Fittings: -40° to 160° F; Bronze Fittings: 32° to 212° F
Attachment Type: See table
Specifications Met: Brass Fittings: SAE J476; Bronze Fittings: ASTM B584, UL 1121

Bronze
For Hose ID	Pipe Size	Max. Pressure	Attachment Type	Pkg. Qty.		Pkg.
1/2"	1/2	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	000000
5/8"	1/2	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	00000
3/4"	3/4	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	00000
1"	1	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	00000
1 1/8"	1 1/4	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	00000
1 1/4"	1 1/4	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	00000
1 1/2"	1 1/2	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	00000
2"	2	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	00000
2 1/2"	2 1/2	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	000000
3"	3	100 psi @ 72° F	Worm-Drive Clamp	1	0000000	000000