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5486639 ITEM 145 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5486639 ITEM 145: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thickness: 0.065 INCHES NOMINAL IN, hole_diameter: 0.281 INCHES NOMINAL IN, overall_diameter: 0.625 INCHES NOMINAL IN, special_features: DOCUMENT OR DRAWING NUMBER IS FF-W-92, end_item_identification: AC WINCH ASSY., DDS. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-534-9924, 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
5486639 ITEM 145
NSN: 5310-01-534-9924
FSC: 5310 — Nuts and Washers
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thickness0.065 INCHES NOMINAL IN
hole_diameter0.281 INCHES NOMINAL IN
overall_diameter0.625 INCHES NOMINAL IN
special_featuresDOCUMENT OR DRAWING NUMBER IS FF-W-92
end_item_identificationAC WINCH ASSY., DDS
NSN5310-01-534-9924
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5486639 ITEM 145 · 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
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY OVERALL
•
HOLE DIAMETER: 0.281 INCHES NOMINAL IN
•
THICKNESS: 0.065 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.625 INCHES NOMINAL IN
SPECIAL FEATURESDOCUMENT OR DRAWING NUMBER IS FF-W-92
END ITEM IDENTIFICATIONAC WINCH ASSY., DDS
MATERIALNICKEL ALLOY OVERALL
HOLE DIAMETER0.281 INCHES NOMINAL IN
THICKNESS0.065 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
0.281IDX0.625ODX0.065 NICUSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 5486639 ITEM 145?
5486639 ITEM 145 is a WASHER,FLAT.
What parts can replace 5486639 ITEM 145?
There is 1 known substitute for 5486639 ITEM 145: 0.281IDX0.625ODX0.065 NICU. Substitute compatibility should be verified for your specific system.
What is the NSN for 5486639 ITEM 145?
5486639 ITEM 145 is cataloged in the U.S. Government catalog under NSN 5310-01-534-9924. 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.