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Technical Data Sheet
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0003870 — PIN,COTTER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

0003870: PIN,COTTER.

The PIN,COTTER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-691-4066, 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
0003870
NSN: 5315-01-691-4066
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
Part Number0003870
NSN5315-01-691-4066
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0003870 · 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
D001362 REV B ITEM NO 20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D001362Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 0003870?
0003870 is a PIN,COTTER.
What parts can replace 0003870?
There are 2 known substitutes for 0003870: D001362 REV B ITEM NO 20, D001362. Substitute compatibility should be verified for your specific system.
What is the NSN for 0003870?
0003870 is cataloged in the U.S. Government catalog under NSN 5315-01-691-4066. This indicates validated use in U.S. government and defense supply chains.
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