PartsTable
Technical Data Sheet

OSH/2031880 — BLOCK,MANIFOLD,AIR

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

OSH/2031880: BLOCK,MANIFOLD,AIR.

The BLOCK,MANIFOLD,AIR is a the manufacturer industrial component. Key specifications include overall_width: 2.130 INCHES NOMINAL IN, overall_length: 3.630 INCHES NOMINAL IN, end_item_identification: 3805-01-431-1165,TRUCK,LINE HAUL TRACTOR (M915 SERIES)., general_characteristics_item_description: ITEM IS TEE SHAPED WITH TWO MOUNTING HOLES AND ONE INLET AND ONE OUTLET AND MADE FROM CASTING 2067230.. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-446-2546, 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
OSH/2031880
NSN: 4730-01-446-2546
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 64678 — DAIMLER TRUCK NORTH AMERICA LLC (USA)
SPECIFICATIONS
overall_width2.130 INCHES NOMINAL IN
overall_length3.630 INCHES NOMINAL IN
end_item_identification3805-01-431-1165,TRUCK,LINE HAUL TRACTOR (M915 SERIES).
general_characteristics_item_descriptionITEM IS TEE SHAPED WITH TWO MOUNTING HOLES AND ONE INLET AND ONE OUTLET AND MADE FROM CASTING 2067230.
NSN4730-01-446-2546
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: OSH/2031880 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ITEM IS TEE SHAPED WITH TWO MOUNTING HOLES AND ONE INLET AND ONE OUTLET AND MADE FROM CASTING 2067230.
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONITEM IS TEE SHAPED WITH TWO MOUNTING HOLES AND ONE INLET AND ONE OUTLET AND MADE FROM CASTING 2067230.
OVERALL LENGTH3.630 INCHES NOMINAL IN
OVERALL WIDTH2.130 INCHES NOMINAL IN
END ITEM IDENTIFICATION3805-01-431-1165,TRUCK,LINE HAUL TRACTOR (M915 SERIES).
SUBSTITUTES & CROSS-REFERENCES 2
6HA334Reference document
Same NSN cross-reference
Reference document — Secondary reference
2031880Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is OSH/2031880?
OSH/2031880 is a BLOCK,MANIFOLD,AIR.
What parts can replace OSH/2031880?
There are 2 known substitutes for OSH/2031880: 6HA334, 2031880. Substitute compatibility should be verified for your specific system.
What is the NSN for OSH/2031880?
OSH/2031880 is cataloged in the U.S. Government catalog under NSN 4730-01-446-2546. 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.