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91415A225 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91415A225: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 8.0 MILLIMETERS NOMINAL MM, hardness_rating: 32.0 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-533-6140, 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
91415A225
NSN: 5310-01-533-6140
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height8.0 MILLIMETERS NOMINAL MM
hardness_rating32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats17.0 MILLIMETERS NOMINAL MM
supplementary_featuresMADE FROM MEDIUM-STRENGTH C1008-C1026 STEEL. CONFORMS TO DIN 934.
end_item_identificationNSN: 3835-01-511-7335
part_name_assigned_by_controlling_agencyMETRIC SPECIAL PITCH (FINE THREAD) HEX NUT
NSN5310-01-533-6140
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91415A225 · 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
•
WIDTH ACROSS FLATS: 17.0 MILLIMETERS NOMINAL MM
•
SUPPLEMENTARY FEATURES: MADE FROM MEDIUM-STRENGTH C1008-C1026 STEEL. CONFORMS TO DIN 934.
•
HARDNESS RATING: 32.0 ROCKWELL C MAXIMUM
•
THREAD DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 8.0 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: ZINC OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS17.0 MILLIMETERS NOMINAL MM
SUPPLEMENTARY FEATURESMADE FROM MEDIUM-STRENGTH C1008-C1026 STEEL. CONFORMS TO DIN 934.
HARDNESS RATING32.0 ROCKWELL C MAXIMUM
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT8.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYMETRIC SPECIAL PITCH (FINE THREAD) HEX NUT
NUT STYLEHEXAGON
END ITEM IDENTIFICATIONNSN: 3835-01-511-7335
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 91415A225?
91415A225 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 91415A225?
91415A225 is cataloged in the U.S. Government catalog under NSN 5310-01-533-6140. 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.