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12387310-355 — PIN,COTTER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12387310-355: PIN,COTTER.

The PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 0.116 INCHES MINIMUM AND 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN, point_type: EXTENDED PRONG SQUARE CUTEXTENDED PRONG SQUARE CUT, style_designator: STANDARDSTANDARD, underloop_length: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-378-7858, 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
12387310-355
NSN: 5315-01-378-7858
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
diameter0.116 INCHES MINIMUM AND 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN
point_typeEXTENDED PRONG SQUARE CUTEXTENDED PRONG SQUARE CUT
style_designatorSTANDARDSTANDARD
underloop_length1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
NSN5315-01-378-7858
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12387310-355 · 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
KEY FEATURES
•
STYLE DESIGNATOR: STANDARDSTANDARD
•
DIAMETER: 0.116 INCHES MINIMUM AND 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN
•
UNDERLOOP LENGTH: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
•
POINT TYPE: EXTENDED PRONG SQUARE CUTEXTENDED PRONG SQUARE CUT
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTANDARDSTANDARD
DIAMETER0.116 INCHES MINIMUM AND 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN
UNDERLOOP LENGTH1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
POINT TYPEEXTENDED PRONG SQUARE CUTEXTENDED PRONG SQUARE CUT
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 1
5315013787858Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12387310-355?
12387310-355 is a PIN,COTTER.
What parts can replace 12387310-355?
There is 1 known substitute for 12387310-355: 5315013787858. Substitute compatibility should be verified for your specific system.
What is the NSN for 12387310-355?
12387310-355 is cataloged in the U.S. Government catalog under NSN 5315-01-378-7858. 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.