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218-1279 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

218-1279: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: NOMINAL TUBE OD .625;HEX WIDTH NOM. 1.000;THICKNESS MIN/MAX .34-.38, thread_direction: RIGHT-HAND, end_item_identification: NSN: 2420-01-532-3399, part_name_assigned_by_controlling_agency: STRAIGHT THREAD LOCKNUTS.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-550-2496, 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
218-1279
NSN: 5310-01-550-2496
FSC: 5310 — Nuts and Washers
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_seriesM
special_featuresNOMINAL TUBE OD .625;HEX WIDTH NOM. 1.000;THICKNESS MIN/MAX .34-.38
thread_directionRIGHT-HAND
end_item_identificationNSN: 2420-01-532-3399
part_name_assigned_by_controlling_agencySTRAIGHT THREAD LOCKNUTS
NSN5310-01-550-2496
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 218-1279 · 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
•
THREAD SERIES: M
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESM
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESNOMINAL TUBE OD .625;HEX WIDTH NOM. 1.000;THICKNESS MIN/MAX .34-.38
PART NAME ASSIGNED BY CONTROLLING AGENCYSTRAIGHT THREAD LOCKNUTS
END ITEM IDENTIFICATIONNSN: 2420-01-532-3399
MATERIALSTEEL OVERALL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 218-1279?
218-1279 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 218-1279?
218-1279 is cataloged in the U.S. Government catalog under NSN 5310-01-550-2496. 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.