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WA-9257 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

WA-9257: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN, outside_diameter: 0.869 INCHES MAXIMUM IN, special_features: GALVANIZED STEEL, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-465-7491, 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
WA-9257
NSN: 5310-01-465-7491
FSC: 5310 — Nuts and Washers
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
outside_diameter0.869 INCHES MAXIMUM IN
special_featuresGALVANIZED STEEL
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.125 INCHES NOMINAL IN
end_item_identificationNIMITZ CLASS CVN
NSN5310-01-465-7491
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: WA-9257 · 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
•
OUTSIDE DIAMETER: 0.869 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.869 INCHES MAXIMUM IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
SPECIAL FEATURESGALVANIZED STEEL
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
WS-9258 PC 158Reference document
Same NSN cross-reference
Reference document — Secondary reference
WA-9257-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
WS-9258Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is WA-9257?
WA-9257 is a WASHER,LOCK.
What parts can replace WA-9257?
There are 3 known substitutes for WA-9257: WS-9258 PC 158, WA-9257-8, WS-9258. Substitute compatibility should be verified for your specific system.
What is the NSN for WA-9257?
WA-9257 is cataloged in the U.S. Government catalog under NSN 5310-01-465-7491. 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.