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W80031 — TAILPIECE,UNION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

W80031: TAILPIECE,UNION.

The TAILPIECE,UNION is a the manufacturer industrial component. Key specifications include seat_type: BALL, seat_radius: 0.140 INCHES NOMINAL IN, overall_length: 0.700 INCHES NOMINAL IN, flange_thickness: 0.060 INCHES NOMINAL IN, end_connection_type: SWEAT SOLDER, flange_outside_diameter: 0.910 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-159-8313, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
W80031
NSN: 4730-00-159-8313
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
seat_typeBALL
seat_radius0.140 INCHES NOMINAL IN
overall_length0.700 INCHES NOMINAL IN
flange_thickness0.060 INCHES NOMINAL IN
end_connection_typeSWEAT SOLDER
flange_outside_diameter0.910 INCHES NOMINAL IN
tubing_outside_diameter0.627 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN
material_hardness_rating85.0 ROCKWELL F MINIMUM
NSN4730-00-159-8313
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: W80031 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL HARDNESS RATING: 85.0 ROCKWELL F MINIMUM
•
FLANGE THICKNESS: 0.060 INCHES NOMINAL IN
•
END CONNECTION TYPE: SWEAT SOLDER
•
SEAT TYPE: BALL
•
TUBING OUTSIDE DIAMETER: 0.627 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN
•
SEAT RADIUS: 0.140 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 0.910 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING85.0 ROCKWELL F MINIMUM
FLANGE THICKNESS0.060 INCHES NOMINAL IN
END CONNECTION TYPESWEAT SOLDER
OVERALL LENGTH0.700 INCHES NOMINAL IN
SEAT TYPEBALL
TUBING OUTSIDE DIAMETER0.627 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN
SEAT RADIUS0.140 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.910 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
11308385Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is W80031?
W80031 is a TAILPIECE,UNION.
What parts can replace W80031?
There is 1 known substitute for W80031: 11308385. Substitute compatibility should be verified for your specific system.
What is the NSN for W80031?
W80031 is cataloged in the U.S. Government catalog under NSN 4730-00-159-8313. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.