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PartsTable / COMPONENT / A-A-55487-1-7
A-A-55487-1-7 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PIN,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, prong_length: 6.984 INCHES MINIMUM AND 7.016 INCHES MAXIMUM IN, opening_width: 0.375 INCHES NOMINAL IN, style_designator: LOCK, wire_stock_diameter: 0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, material_document_and_classification: QQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) 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-55487-1-7
NSN: 5315-00-194-2464
FSC: 5315
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
prong_length6.984 INCHES MINIMUM AND 7.016 INCHES MAXIMUM IN
opening_width0.375 INCHES NOMINAL IN
style_designatorLOCK
wire_stock_diameter0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-194-2464
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A-A-55487-1-7 · 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
•
PRONG LENGTH: 6.984 INCHES MINIMUM AND 7.016 INCHES MAXIMUM IN
•
OPENING WIDTH: 0.375 INCHES NOMINAL IN
•
WIRE STOCK DIAMETER: 0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LOCK
•
MATERIAL: STEEL COMP 316 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PRONG LENGTH6.984 INCHES MINIMUM AND 7.016 INCHES MAXIMUM IN
OPENING WIDTH0.375 INCHES NOMINAL IN
WIRE STOCK DIAMETER0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
STYLE DESIGNATORLOCK
MATERIALSTEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AN415-1-4Interchangeable
interchangeable cross-reference
interchangeable
A-A-55487-1-4Interchangeable
interchangeable cross-reference
interchangeable
A-A-55487Interchangeable
interchangeable cross-reference
interchangeable
AA55487-6Interchangeable
interchangeable cross-reference
interchangeable
AN 415-6Interchangeable
interchangeable cross-reference
interchangeable
AA55487-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-55487-1-7?
A-A-55487-1-7 is a PIN,LOCK.
What parts can replace A-A-55487-1-7?
There are 12 known substitutes for A-A-55487-1-7: AN415-1-4, A-A-55487-1-4, A-A-55487 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-55487-1-7?
A-A-55487-1-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-194-2464. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026