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90576A103 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

90576A103: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: PLASTIC NYLON LOCKING INSERT, nut_height: 5.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND, surface_treatment: ZINC NUT, width_across_flats: 7.0 MILLIMETERS NOMINAL MM, nominal_thread_size: 4.0 MILLIMETERS MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-583-9161, 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
90576A103
NSN: 5310-01-583-9161
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialPLASTIC NYLON LOCKING INSERT
nut_height5.0 MILLIMETERS NOMINAL MM
thread_seriesM
thread_directionRIGHT-HAND
surface_treatmentZINC NUT
width_across_flats7.0 MILLIMETERS NOMINAL MM
nominal_thread_size4.0 MILLIMETERS MM
end_item_identificationMRAP BUFFALO MK2A2
thread_pitch_in_millimeters0.70
NSN5310-01-583-9161
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 90576A103 · 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: 7.0 MILLIMETERS NOMINAL MM
•
THREAD SERIES: M
•
THREAD PITCH IN MILLIMETERS: 0.70
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 4.0 MILLIMETERS MM
•
NUT HEIGHT: 5.0 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: ZINC NUT
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS7.0 MILLIMETERS NOMINAL MM
THREAD SERIESM
THREAD PITCH IN MILLIMETERS0.70
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE4.0 MILLIMETERS MM
NUT HEIGHT5.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC NUT
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
MATERIALSTEEL NUT
MATERIALPLASTIC NYLON LOCKING INSERT
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 90576A103?
90576A103 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 90576A103?
90576A103 is cataloged in the U.S. Government catalog under NSN 5310-01-583-9161. This indicates validated use in U.S. government and defense supply chains.
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