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12759-01005 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12759-01005: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC OVERALL, end_item_identification: NSN 2355-01-567-4930 TRUCK,BOMB SERVICE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-588-1252, 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
12759-01005
NSN: 5310-01-588-1252
FSC: 5310 — Nuts and Washers
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
special_featuresINNER DIAMETER 0.260 IN, MATERIAL HIGH ALLOY, OUTER DIAMETER 0.487 IN, STYLE - MEDIUM SPLIT, TYPE LOCK WASHER, NOMINAL SIZE .250 IN, NOMINAL THICKNESS 0.062 IN IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentZINC OVERALL
end_item_identificationNSN 2355-01-567-4930 TRUCK,BOMB SERVICE
NSN5310-01-588-1252
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12759-01005 · 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
COLOR: YELLOW OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
COLORYELLOW OVERALL
SPECIAL FEATURESINNER DIAMETER 0.260 IN, MATERIAL HIGH ALLOY, OUTER DIAMETER 0.487 IN, STYLE - MEDIUM SPLIT, TYPE LOCK WASHER, NOMINAL SIZE .250 IN, NOMINAL THICKNESS 0.062 IN IN
SURFACE TREATMENTZINC OVERALL
END ITEM IDENTIFICATIONNSN 2355-01-567-4930 TRUCK,BOMB SERVICE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 12759-01005?
12759-01005 is a WASHER,LOCK.
What is the NSN for 12759-01005?
12759-01005 is cataloged in the U.S. Government catalog under NSN 5310-01-588-1252. 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.