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144EX446 — PIN,COTTER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

144EX446: PIN,COTTER.

The PIN,COTTER is a the manufacturer industrial component. Key specifications include end_item_identification: MRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 5 OTHER WEAPON SYSTEMS.. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-147-3991, 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
144EX446
NSN: 5315-01-147-3991
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
end_item_identificationMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 5 OTHER WEAPON SYSTEMS.
NSN5315-01-147-3991
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 144EX446 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 5 OTHER WEAPON SYSTEMS.
SUBSTITUTES & CROSS-REFERENCES 2
2719-90876Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
90876Same 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 144EX446?
144EX446 is a PIN,COTTER.
What parts can replace 144EX446?
There are 2 known substitutes for 144EX446: 2719-90876, 90876. Substitute compatibility should be verified for your specific system.
What is the NSN for 144EX446?
144EX446 is cataloged in the U.S. Government catalog under NSN 5315-01-147-3991. 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.