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4235249 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4235249: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.20 INCHES NOMINAL IN, outside_diameter: 0.41 INCHES NOMINAL IN, style_designator: EXTERNAL TEETH, end_item_identification: TRUCK, FIRE FIGHTING. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-661-3072, 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
4235249
NSN: 5310-01-661-3072
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.20 INCHES NOMINAL IN
outside_diameter0.41 INCHES NOMINAL IN
style_designatorEXTERNAL TEETH
end_item_identificationTRUCK, FIRE FIGHTING
NSN5310-01-661-3072
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4235249 · 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: EXTERNAL TEETH
•
OUTSIDE DIAMETER: 0.41 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.20 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATOREXTERNAL TEETH
OUTSIDE DIAMETER0.41 INCHES NOMINAL IN
END ITEM IDENTIFICATIONTRUCK, FIRE FIGHTING
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.20 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

No substitute or cross-reference records for this part.

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 4235249?
4235249 is a WASHER,LOCK.
What is the NSN for 4235249?
4235249 is cataloged in the U.S. Government catalog under NSN 5310-01-661-3072. 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.