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A-A-55487 — PIN,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A-A-55487: PIN,LOCK.

The PIN,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, prong_length: 1.125 INCHES NOMINAL IN, opening_width: 0.250 INCHES NOMINAL IN, style_designator: LOCK, surface_treatment: ZINC OVERALL, wire_stock_diameter: 0.058 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-194-2464, 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
A-A-55487
NSN: 5315-00-194-2464
NIINs: 001942464, 002210411, 010819991, 014652256, 014975032, 014975034
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
prong_length1.125 INCHES NOMINAL IN
opening_width0.250 INCHES NOMINAL IN
style_designatorLOCK
surface_treatmentZINC OVERALL
wire_stock_diameter0.058 INCHES NOMINAL IN
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
material_document_and_classificationA313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationASTM B633 TY II FE/ZN13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-194-2464
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A-A-55487 · 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
•
WIRE STOCK DIAMETER: 0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LOCK
•
OPENING WIDTH: 0.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PRONG LENGTH: 6.984 INCHES MINIMUM AND 7.016 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
WIRE STOCK DIAMETER0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
STYLE DESIGNATORLOCK
OPENING WIDTH0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PRONG LENGTH6.984 INCHES MINIMUM AND 7.016 INCHES MAXIMUM IN
MATERIALSTEEL COMP 316 OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
AN415-1-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-55487-1-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
70P322-670Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A-A-55487?
A-A-55487 is a PIN,LOCK.
What parts can replace A-A-55487?
There are 3 known substitutes for A-A-55487: AN415-1-7, A-A-55487-1-7, 70P322-670. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-55487?
A-A-55487 is cataloged in the U.S. Government catalog under NSN 5315-00-194-2464. This indicates validated use in U.S. government and defense supply chains.
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