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AA55487-5 — PIN,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AA55487-5: PIN,LOCK.

The PIN,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL SPRING, special_features: CARBON STEEL WIRE SPRING,TYPE1 CLASS 1 OR 3, end_item_identification: V-22 AIRCRAFT SUPPORT E, material_document_and_classification: QQ-W-428 ASSN STD SINGLE MATERIAL RESPONSE SPRING, part_name_assigned_by_controlling_agency: PIN,LOCK,HITCH PIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-231-5983, 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
AA55487-5
NSN: 5315-01-231-5983
NIINs: 012315983, 015862898, 016587603
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL SPRING
special_featuresCARBON STEEL WIRE SPRING,TYPE1 CLASS 1 OR 3
end_item_identificationV-22 AIRCRAFT SUPPORT E
material_document_and_classificationQQ-W-428 ASSN STD SINGLE MATERIAL RESPONSE SPRING
part_name_assigned_by_controlling_agencyPIN,LOCK,HITCH PIN
NSN5315-01-231-5983
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AA55487-5 · 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: 0.072 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LOCK
•
OPENING WIDTH: 0.313 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423,COND B MIL STD SINGLE MATERIAL RESPONSE OVERALL
•
PRONG LENGTH: 1.210 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
WIRE STOCK DIAMETER0.072 INCHES NOMINAL IN
STYLE DESIGNATORLOCK
OPENING WIDTH0.313 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423,COND B MIL STD SINGLE MATERIAL RESPONSE OVERALL
PRONG LENGTH1.210 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMRAP COUGAR
MATERIALSTEEL COMP 316 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
AN415-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AA55487-5?
AA55487-5 is a PIN,LOCK.
What parts can replace AA55487-5?
There is 1 known substitute for AA55487-5: AN415-5. Substitute compatibility should be verified for your specific system.
What is the NSN for AA55487-5?
AA55487-5 is cataloged in the U.S. Government catalog under NSN 5315-01-231-5983. 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.