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Technical Data Sheet
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J257218 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

J257218: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-476-0616, 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
J257218
NSN: 5310-01-476-0616
FSC: 5310 — Nuts and Washers
CAGE: 1J955 — JOHN DEERE CONSTRUCTION & FORESTRY COMPANY DIV DIRECT GOVERNMENTAL SALES (USA)
SPECIFICATIONS
end_item_identificationCONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 3(HYEX)(MODEL 330 LCR HX3), NSN 3805-01-463-0805, TM5-3805-281-24P
NSN5310-01-476-0616
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: J257218 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONCONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 3(HYEX)(MODEL 330 LCR HX3), NSN 3805-01-463-0805, TM5-3805-281-24P
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
AT250277Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 J257218?
J257218 is a WASHER,LOCK.
What parts can replace J257218?
There is 1 known substitute for J257218: AT250277. Substitute compatibility should be verified for your specific system.
What is the NSN for J257218?
J257218 is cataloged in the U.S. Government catalog under NSN 5310-01-476-0616. This indicates validated use in U.S. government and defense supply chains.
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