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90640A150 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

90640A150: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, special_features: MATERIAL GRADE 2 ZINC-PLATED STEEL; SCREW SIZE 3/8"-24 (GRADE 8 PLAIN STEEL LOCKNUTS, thread_direction: RIGHT-HAND, end_item_identification: NSN: 5340-01-487-7760, part_name_assigned_by_controlling_agency: NEX INSERT LOCKNUTS. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-534-7398, 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
90640A150
NSN: 5310-01-534-7398
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
special_featuresMATERIAL GRADE 2 ZINC-PLATED STEEL; SCREW SIZE 3/8"-24 (GRADE 8 PLAIN STEEL LOCKNUTS
thread_directionRIGHT-HAND
end_item_identificationNSN: 5340-01-487-7760
part_name_assigned_by_controlling_agencyNEX INSERT LOCKNUTS
NSN5310-01-534-7398
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 90640A150 · 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 DIRECTION: RIGHT-HAND
•
NUT STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESMATERIAL GRADE 2 ZINC-PLATED STEEL; SCREW SIZE 3/8"-24 (GRADE 8 PLAIN STEEL LOCKNUTS
PART NAME ASSIGNED BY CONTROLLING AGENCYNEX INSERT LOCKNUTS
NUT STYLEHEXAGON
END ITEM IDENTIFICATIONNSN: 5340-01-487-7760
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 90640A150?
90640A150 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 90640A150?
90640A150 is cataloged in the U.S. Government catalog under NSN 5310-01-534-7398. 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.