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Technical Data Sheet
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437875 — PIN,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

437875: PIN,LOCK.

The PIN,LOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-273-2444, 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
437875
NSN: 5315-01-273-2444
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
Part Number437875
NSN5315-01-273-2444
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 437875 · 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
SUBSTITUTES & CROSS-REFERENCES 2
43785Reference document
Same NSN cross-reference
Reference document — Secondary reference
387668Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 437875?
437875 is a PIN,LOCK.
What parts can replace 437875?
There are 2 known substitutes for 437875: 43785, 387668. Substitute compatibility should be verified for your specific system.
What is the NSN for 437875?
437875 is cataloged in the U.S. Government catalog under NSN 5315-01-273-2444. This indicates validated use in U.S. government and defense supply chains.
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