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65-11904-157 — TUBE ASSEMBLY,METAL

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

65-11904-157: TUBE ASSEMBLY,METAL.

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 2.250 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.750 INCHES NOMINAL IN, cross-sectional_thickness: 0.063 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4710-01-143-1538, 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
65-11904-157
NSN: 4710-01-143-1538
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 82918 — THE BOEING COMPANY DIV LEGACY WICHITA (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
hardness_rating75.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter2.250 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.750 INCHES NOMINAL IN
cross-sectional_thickness0.063 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN4710-01-143-1538
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 65-11904-157 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 3
31-4542-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
65-11904Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
67-11904-157Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 65-11904-157?
65-11904-157 is a TUBE ASSEMBLY,METAL.
What parts can replace 65-11904-157?
There are 3 known substitutes for 65-11904-157: 31-4542-1, 65-11904, 67-11904-157. Substitute compatibility should be verified for your specific system.
What is the NSN for 65-11904-157?
65-11904-157 is cataloged in the U.S. Government catalog under NSN 4710-01-143-1538. 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.