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Technical Data Sheet
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442-10290 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

442-10290: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: OVER LENGTH IS 3.375 INCH W/0.4375-14 THREAD ONE END IN, end_item_identification: M871A3 SEMI-TRAILER,22.5 TON,2330-01-458-6865 END ITEM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-499-3404, 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
442-10290
NSN: 5340-01-499-3404
FSC: 5340 — Hardware, Commercial
CAGE: 78502 — HALDEX INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresOVER LENGTH IS 3.375 INCH W/0.4375-14 THREAD ONE END IN
end_item_identificationM871A3 SEMI-TRAILER,22.5 TON,2330-01-458-6865 END ITEM
NSN5340-01-499-3404
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 442-10290 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESOVER LENGTH IS 3.375 INCH W/0.4375-14 THREAD ONE END IN
END ITEM IDENTIFICATIONM871A3 SEMI-TRAILER,22.5 TON,2330-01-458-6865 END ITEM
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
122240Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
443-10290Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
S-24596Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 442-10290?
442-10290 is a STANDOFF,THREADED,SPACING.
What parts can replace 442-10290?
There are 3 known substitutes for 442-10290: 122240, 443-10290, S-24596. Substitute compatibility should be verified for your specific system.
What is the NSN for 442-10290?
442-10290 is cataloged in the U.S. Government catalog under NSN 5340-01-499-3404. 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.