Sanitary Tube Wyes | McMaster-Carr

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151 Products

About Measuring Fittings

Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Push-to-Connect Fittings for Food and Beverage

Temperature Range: 35° to 140° F
Tubing: See table
Specifications Met: See table

Also known as instant fittings, these connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect fittings with a release ring, push on the release ring and pull the tubing out of the fitting.

Polypropylene fittings have excellent impact and abrasion resistance. They meet NSF/ANSI standards for safe use with food. Some are also FDA compliant for indirect contact with food.

Acetal fittings resist moisture, so they won’t soften and lose strength in humid environments. They meet NSF/ANSI 51 for safe use with food and NSF/ANSI 61 for safe use with drinking water.

Black fittings have excellent UV resistance and are suitable for outdoor environments.

Wye Connectors, Tube

White
For Tube OD	Material	Release Ring Color	Max. Pressure	For Tube Hardness Rating	For Tube Hardness	Specifications Met	Mount Type	Mounting Fasteners Included		Each
3/8"	Polypropylene Plastic	White	150 psi @ 72° F	Hard	Durometer 50D-70D	NSF/ANSI 51, NSF/ANSI 61	Screw On	No	9087K58	00000
12mm	Polypropylene Plastic	White	150 psi @ 72° F	Firm, Hard	Durometer 50D-90D	NSF/ANSI 51, NSF/ANSI 61	Screw On	No	3619N237	00000

Wye Reducers, Tube

White
For Tube OD (A)	For Tube OD (B)	Material	Release Ring Color	Max. Pressure	For Tube Hardness Rating	For Tube Hardness	Specifications Met		Each
3/8"	1/4"	Polypropylene Plastic	White	150 psi @ 72° F	Firm, Hard	Durometer 50D-90D	NSF/ANSI 51, NSF/ANSI 61	3619N218	00000

Double Wye Reducers, Tube

White
For Tube OD (A)	For Tube OD (B)	Material	Release Ring Color	Max. Pressure	For Tube Hardness Rating	For Tube Hardness	Specifications Met		Each
3/8"	1/4"	Polypropylene Plastic	White	150 psi @ 72° F	Firm, Hard	Durometer 50D-90D	NSF/ANSI 51, NSF/ANSI 61	3619N225	00000
Black
10mm	6mm	Acetal Plastic	__	150 psi @ 72° F	Hard	Durometer 85D-95D	NSF/ANSI 51, NSF/ANSI 61	3619N155	0000
12mm	10mm	Acetal Plastic	__	150 psi @ 72° F	Hard	Durometer 85D-95D	NSF/ANSI 51, NSF/ANSI 61	3619N156	00000

Push-to-Connect Tube Fittings for Hot Drinking Water

Temperature Range: 35° to 200° F
Tubing: Use with hard polyethylene plastic
Specifications Met: NSF/ANSI 51, NSF/ANSI 61

Run hot water through these fittings at temperatures up to 200° F. Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect, push on the release ring and pull the tubing out of the fitting. Fittings are nylon for excellent impact and abrasion resistance.

NPTF (Dryseal) threads are compatible with NPT threads.

Wye Adapters (Intermittent Swivel), Male Threaded Pipe × Tube

Fittings with intermittent swivel rotate 360° before and after installation as needed to allow movement in the system and to prevent kinking.

NPTF Threads
Pipe Size	For Tube OD	Material	Color	Release Ring Color	Max. Pressure		Each
1/8	1/4"	Nylon Plastic	White	Gray	230 psi @ 72° F	7852T597	00000
1/4	1/4"	Nylon Plastic	White	Gray	230 psi @ 72° F	7852T598	0000
1/4	3/8"	Nylon Plastic	White	Gray	190 psi @ 72° F	7852T602	0000
3/8	1/4"	Nylon Plastic	White	Gray	230 psi @ 72° F	7852T599	0000
3/8	1/2"	Nylon Plastic	White	Gray	160 psi @ 72° F	7852T603	00000

Wye Connectors, Tube

For Tube OD	Material	Color	Release Ring Color	Max. Pressure		Each
5/32"	Nylon Plastic	White	Gray	230 psi @ 72° F	7852T627	00000
1/4"	Nylon Plastic	White	Gray	230 psi @ 72° F	7852T628	0000
5/16"	Nylon Plastic	White	Gray	230 psi @ 72° F	7852T629	0000
3/8"	Nylon Plastic	White	Gray	190 psi @ 72° F	7852T631	0000
1/2"	Nylon Plastic	White	Gray	160 psi @ 72° F	7852T632	00000
6mm	Nylon Plastic	White	Gray	230 psi @ 72° F	7852T171	0000
10mm	Nylon Plastic	White	Gray	190 psi @ 72° F	7852T172	00000
12mm	Nylon Plastic	White	Gray	160 psi @ 72° F	7852T173	00000

High-Polish Metal Quick-Clamp Sanitary Tube Fittings

Temperature Range: See Gaskets

The smooth finish inside these fittings makes it easy to remove product residue. Also known as aseptic and tri-clamp fittings, they connect with a gasket, a clamp, and another quick-clamp fitting for a fast and easy way to access your line. The pressure rating of the fitting will vary depending on the clamp you choose, and the temperature rating will vary based on the gasket material you choose.

304 stainless steel fittings have very good corrosion resistance. 316 stainless steel fittings have excellent corrosion resistance.

3-A certified fittings comply with sanitary standards.

Note: To complete a connection, you’ll need two quick-clamp fittings, a clamp, and a gasket (all sold separately).

Standard Wye Connectors, Tube

For Use With: Air, Beverage, Dairy, Food, Water
Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
Specifications Met: 3-A Certified 63-04

		304 Stainless Steel		316/316L Stainless Steel
For Tube OD	Flange OD		Each		Each
1/2"	0.984"	______	00	50485K283	0000000
3/4"	0.984"	______	00	50485K284	000000
1"	1.984"	4322K811	0000000	50485K811	000000
1 1/2"	1.984"	4322K812	000000	50485K812	000000
2"	2.516"	4322K813	000000	50485K813	000000
2 1/2"	3.047"	4322K814	000000	50485K814	000000
3"	3.579"	4322K815	000000	50485K815	000000
4"	4.682"	4322K816	000000	50485K816	000000

Inline Wye Connectors, Tube

For Use With: Air, Beverage, Dairy, Food, Water
Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
Specifications Met: 3-A Certified 63-04

		304 Stainless Steel		316/316L Stainless Steel
For Tube OD	Flange OD		Each		Each
1/2"	0.984"	______	00	50485K256	0000000
3/4"	0.984"	______	00	50485K257	000000
1"	1.984"	4322K281	0000000	50485K301	000000
1 1/2"	1.984"	4322K282	000000	50485K302	000000
2"	2.516"	4322K283	000000	50485K303	000000
2 1/2"	3.047"	4322K284	000000	50485K304	000000
3"	3.579"	4322K285	000000	50485K305	000000
4"	4.682"	4322K286	000000	50485K306	000000

304 Stainless Steel Clamps with Wing Nut

For Tube OD	For Flange OD	Max. Pressure	For Tube Specifications Met		Each
1/2", 5/8", 3/4"	0.984"	1,200 psi @ 72° F	ASTM A269, ASTM A270	45195K44	000000
1", 1 1/4", 1 1/2"	1.984"	500 psi @ 72° F	ASTM A269, ASTM A270	4322K152	00000
2"	2.516"	450 psi @ 72° F	ASTM A269, ASTM A270	4322K153	00000
2 1/2"	3.047"	400 psi @ 72° F	ASTM A269, ASTM A270	4322K154	00000
3"	3.579"	350 psi @ 72° F	ASTM A269, ASTM A270	4322K155	00000
4"	4.682"	200 psi @ 72° F	ASTM A269, ASTM A270	4322K156	00000

304 Stainless Steel Clamps with Wing Nut, Spring Closure

For Tube OD	For Flange OD	Max. Pressure	For Tube Specifications Met		Each
1/2", 3/4"	0.984"	1,200 psi @ 72° F	ASTM A269, ASTM A270	9155K12	000000
1", 1 1/4", 1 1/2"	1.984"	500 psi @ 72° F	ASTM A269, ASTM A270	9155K11	00000
2"	2.516"	450 psi @ 72° F	ASTM A269, ASTM A270	9155K13	00000
2 1/2"	3.047"	400 psi @ 72° F	ASTM A269, ASTM A270	9155K14	00000
3"	3.579"	350 psi @ 72° F	ASTM A269, ASTM A270	9155K15	00000
4"	4.682"	200 psi @ 72° F	ASTM A269, ASTM A270	9155K16	00000

304 Stainless Steel Clamps with Bolt

For Tube OD	For Flange OD	Bolt Material	Max. Pressure	For Tube Specifications Met		Each
1/2", 3/4"	0.984"	304 Stainless Steel	1,500 psi @ 72° F	ASTM A269, ASTM A270	4322K911	000000
1", 1 1/4", 1 1/2"	1.984"	304 Stainless Steel	1,500 psi @ 72° F	ASTM A269, ASTM A270	4322K711	00000
2"	2.516"	304 Stainless Steel	1,000 psi @ 72° F	ASTM A269, ASTM A270	4322K712	00000
2 1/2"	3.047"	304 Stainless Steel	1,000 psi @ 72° F	ASTM A269, ASTM A270	4322K713	00000
3"	3.579"	304 Stainless Steel	1,000 psi @ 72° F	ASTM A269, ASTM A270	4322K714	00000
4"	4.682"	304 Stainless Steel	1,000 psi @ 72° F	ASTM A269, ASTM A270	4322K715	00000

304 Stainless Steel Clamps with Lever and Hole for Lockout

For Tube OD	For Flange OD	Max. Pressure	For Tube Specifications Met	Specifications Met		Each
1", 1 1/4", 1 1/2"	1.984"	500 psi @ 72° F	ASTM A269, ASTM A270	ASME BPE	4322K381	000000
2"	2.516"	450 psi @ 72° F	ASTM A269, ASTM A270	ASME BPE	4322K382	00000
3"	3.579"	350 psi @ 72° F	ASTM A269, ASTM A270	ASME BPE	4322K383	00000
4"	4.682"	300 psi @ 72° F	ASTM A269, ASTM A270	ASME BPE	4322K384	00000

316 Stainless Steel Clamps with Wing Nut and 2-Pin Hinge

For Tube OD	For Flange OD	Max. Pressure		Each
1/2", 3/4"	0.984"	700 psi @ 72° F	4759K61	000000
1", 1 1/4", 1 1/2"	1.984"	700 psi @ 72° F	4759K62	00000
2"	2.516"	700 psi @ 72° F	4759K63	00000
2 1/2"	3.047"	700 psi @ 72° F	4052N11	00000
3"	3.579"	580 psi @ 72° F	4052N12	00000
4"	4.682"	500 psi @ 72° F	4052N13	00000

316 Stainless Steel Clamps with Safety Wing Nut and 2-Pin Hinge

For Tube OD	For Flange OD	Max. Pressure		Each
1/2", 3/4"	0.984"	720 psi @ 72° F	4052N18	000000
1", 1 1/4", 1 1/2"	1.984"	720 psi @ 72° F	4052N19	00000
2"	2.516"	720 psi @ 72° F	4052N21	00000
3"	3.579"	580 psi @ 72° F	4052N22	00000
4"	4.682"	500 psi @ 72° F	4052N23	00000

316 Stainless Steel Clamps with Double Bolt

For Tube OD	For Flange OD	Bolt Material	Max. Pressure	Specifications Met		Each
1", 1 1/4", 1 1/2"	1.984"	316 Stainless Steel	2,400 psi @ 72° F	ASME BPVC.VIII	4052N32	0000000
2"	2.516"	316 Stainless Steel	1,300 psi @ 72° F	ASME BPVC.VIII	4052N33	000000
3"	3.579"	316 Stainless Steel	1,300 psi @ 72° F	ASME BPVC.VIII	4052N34	000000
4"	4.682"	316 Stainless Steel	820 psi @ 72° F	ASME BPVC.VIII	4052N35	000000

316 Stainless Steel Clamps with Recessed Nut, Hole for Lockout, and 2-Pin Hinge

For Tube OD	For Flange OD	Max. Pressure		Each
1/2", 3/4"	0.984"	720 psi @ 72° F	4052N25	000000
1", 1 1/4", 1 1/2"	1.984"	720 psi @ 72° F	4052N26	00000
2"	2.516"	720 psi @ 72° F	4052N27	00000
3"	3.579"	580 psi @ 72° F	4052N28	00000
4"	4.682"	500 psi @ 72° F	4052N29	00000

White Nylon Plastic Clamps with Wing Nut

For Tube OD	For Flange OD	Max. Pressure	For Tube Specifications Met		Each
1/2", 3/4"	0.984"	150 psi @ 72° F	ASTM A269, ASTM A270	4322K168	000000
1", 1 1/4", 1 1/2"	1.984"	150 psi @ 72° F	ASTM A269, ASTM A270	4322K169	00000
2"	2.516"	150 psi @ 72° F	ASTM A269, ASTM A270	4322K177	00000
2 1/2"	3.047"	150 psi @ 72° F	ASTM A269, ASTM A270	4322K178	00000
3"	3.579"	150 psi @ 72° F	ASTM A269, ASTM A270	4322K179	00000
4"	4.682"	150 psi @ 72° F	ASTM A269, ASTM A270	4322K151	00000

Gaskets

Buna-N gaskets are oil resistant. EPDM gaskets resist water and steam and work well in humid environments. Silicone gaskets withstand high temperatures. Fluoroelastomer gaskets stand up to fuel, oil, and acid condensates. PTFE gaskets withstand harsh chemicals, with the exception of molten alkali metal and elemental fluorine.

Buna-N Rubber
For Tube OD	ID	OD	Thick.	Temp. Range, °F	Color	Specifications Met		Each
1/2"	0.380"	0.860"	0.178"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4509K11	00000
3/4"	0.620"	0.860"	0.178"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4509K12	0000
1"	0.900"	1.980"	0.203"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4509K13	0000
1 1/2"	1.400"	1.980"	0.203"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4509K14	000
2"	1.900"	2.520"	0.203"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4509K15	000
2 1/2"	2.400"	3.050"	0.203"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4509K16	0000
3"	2.900"	3.580"	0.203"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4509K17	0000
4"	3.870"	4.680"	0.203"	-30° to 200°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4509K18	0000
EPDM Rubber
1/2"	0.380"	0.860"	0.178"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	1100N11	0000
3/4"	0.620"	0.860"	0.178"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	1100N12	0000
1"	0.900"	1.980"	0.203"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	1100N13	0000
1 1/2"	1.400"	1.980"	0.203"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	1100N14	0000
2"	1.900"	2.520"	0.203"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	1100N15	0000
2 1/2"	2.400"	3.050"	0.203"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	1100N16	0000
3"	2.900"	3.580"	0.203"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	1100N17	0000
4"	3.870"	4.680"	0.203"	-20° to 300°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	1100N18	0000
Silicone Rubber
1/2"	0.380"	0.860"	0.178"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4520K41	0000
3/4"	0.620"	0.860"	0.178"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4520K42	0000
1"	0.900"	1.980"	0.203"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4520K43	0000
1 1/2"	1.400"	1.980"	0.203"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4520K44	0000
2"	1.900"	2.520"	0.203"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4520K45	0000
2 1/2"	2.400"	3.050"	0.203"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4520K46	0000
3"	2.900"	3.580"	0.203"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4520K47	0000
4"	3.870"	4.680"	0.203"	-40° to 450°	Clear	3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600	4520K48	0000
Fluoroelastomer Rubber
1/2"	0.380"	0.860"	0.178"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	5044K51	0000
3/4"	0.620"	0.860"	0.178"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	5044K52	0000
1"	0.900"	1.980"	0.203"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	5044K53	0000
1 1/2"	1.400"	1.980"	0.203"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	5044K54	0000
2"	1.900"	2.520"	0.203"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	5044K55	0000
2 1/2"	2.400"	3.050"	0.203"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	5044K56	0000
3"	2.900"	3.580"	0.203"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	5044K57	0000
4"	3.870"	4.680"	0.203"	-15° to 400°	Black	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	5044K58	0000
PTFE Plastic
1/2"	0.380"	0.860"	0.178"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	43315K51	0000
3/4"	0.620"	0.860"	0.178"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	43315K52	0000
1"	0.900"	1.980"	0.18"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	43315K53	0000
1 1/2"	1.400"	1.980"	0.18"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	43315K54	0000
2"	1.900"	2.520"	0.18"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	43315K55	0000
2 1/2"	2.400"	3.050"	0.17"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	43315K56	0000
3"	2.900"	3.580"	0.18"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	43315K57	0000
4"	3.870"	4.680"	0.18"	-100° to 500°	White	3-A Certified 20-27, FDA Compliant 21 CFR 177.1550	43315K58	0000

Gasket Fittings—Male Straight Adapters, Gasket × Standard Tube

For Tube OD
Gasket Connection	Standard Connection	Wall Thick.	Material	For Tube Specifications Met	Includes		Each
1"	1"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	304 Stainless Steel Nut	4629N21	0000000
1 1/2"	1 1/2"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	304 Stainless Steel Nut	4629N23	000000
2"	2"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	304 Stainless Steel Nut	4629N25	000000
2 1/2"	2 1/2"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	304 Stainless Steel Nut	4629N27	000000

Gasket Fittings—Female Straight Adapters, Gasket × Standard Tube

For Tube OD
Gasket Connection	Standard Connection	Wall Thick.	Material	For Tube Specifications Met		Each
1"	1"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4629N19	000000
1 1/2"	1 1/2"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4629N22	000000
2"	2"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4629N24	000000
2 1/2"	2 1/2"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4629N26	000000

Extra-Support Fittings—Male Straight Adapters, Extra-Support Tube × Standard Tube

	Flange OD
For Tube OD	Extra-Support Connection	Standard Connection	Wall Thick.	Material	For Tube Specifications Met		Each
1"	1.995"	1.984"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4177N11	000000
1 1/2"	1.995"	1.984"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4177N12	00000
2"	2.64"	2.516"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4177N13	000000
3"	3.87"	3.579"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4177N14	000000

Extra-Support Fittings—Female Straight Adapters, Extra-Support Tube × Standard Tube

	Flange OD
For Tube OD	Extra-Support Connection	Standard Connection	Wall Thick.	Material	For Tube Specifications Met		Each
1"	1.995"	1.984"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4177N15	000000
1 1/2"	1.995"	1.984"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4177N16	00000
2"	2.64"	2.516"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4177N17	000000
3"	3.87"	3.579"	0.065"	316 Stainless Steel	ASTM A269, ASTM A270	4177N18	000000