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12312140-4 — PIN,QUICK RELEASE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12312140-4: PIN,QUICK RELEASE.

The PIN,QUICK RELEASE is a the manufacturer industrial component. Key specifications include end_item_identification: 8750015-SA, part_name_assigned_by_controlling_agency: PIN ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-145-5192, 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
12312140-4
NSN: 5315-01-145-5192
NIINs: 011455192, 016120118
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 09094 — QRP INC (USA)
SPECIFICATIONS
end_item_identification8750015-SA
part_name_assigned_by_controlling_agencyPIN ASSEMBLY
NSN5315-01-145-5192
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12312140-4 · 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
•
SHANK DIAMETER: 0.5098 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
•
DETENT TO TAPERED END DISTANCE: 0.500 INCHES NOMINAL IN
•
DETENT QUANTITY: 1
•
ACTUATION TYPE: PULL
•
STYLE DESIGNATOR: RING HANDLE
•
GRIP LENGTH: 3.450 INCHES NOMINAL IN
•
RING HANDLE DIAMETER: 1.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.5098 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
DETENT TO TAPERED END DISTANCE0.500 INCHES NOMINAL IN
DETENT QUANTITY1
ACTUATION TYPEPULL
STYLE DESIGNATORRING HANDLE
GRIP LENGTH3.450 INCHES NOMINAL IN
RING HANDLE DIAMETER1.120 INCHES NOMINAL IN
END ITEM IDENTIFICATIONM1
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
5315011455192Reference 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 12312140-4?
12312140-4 is a PIN,QUICK RELEASE.
What parts can replace 12312140-4?
There is 1 known substitute for 12312140-4: 5315011455192. Substitute compatibility should be verified for your specific system.
What is the NSN for 12312140-4?
12312140-4 is cataloged in the U.S. Government catalog under NSN 5315-01-145-5192. 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.