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90045A462 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

90045A462: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, nut_height: 0.375 INCHES NOMINAL IN, lubrication: WAX, locking_feature: CENTERLOCK, thread_direction: RIGHT-HAND, width_across_flats: 0.6875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-523-6771, 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
90045A462
NSN: 5310-01-523-6771
FSC: 5310 — Nuts and Washers
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
nut_styleHEXAGON
nut_height0.375 INCHES NOMINAL IN
lubricationWAX
locking_featureCENTERLOCK
thread_directionRIGHT-HAND
width_across_flats0.6875 INCHES NOMINAL IN
nominal_thread_size0.4375 INCHES IN
end_item_identification6605-01-515-4610; MRAP BUFFALO MK2A2
thread_quantity_per_inch14
criticality_code_justificationCQJX AND ASDB
part_name_assigned_by_controlling_agencyDEFORMED-THREAD LOCKNUT CENTERLOCK
NSN5310-01-523-6771
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 90045A462 · 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
•
LUBRICATION: WAX
•
WIDTH ACROSS FLATS: 0.6875 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: CQJX AND ASDB
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.4375 INCHES IN
•
LOCKING FEATURE: CENTERLOCK
•
NUT HEIGHT: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LUBRICATIONWAX
WIDTH ACROSS FLATS0.6875 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONCQJX AND ASDB
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.4375 INCHES IN
LOCKING FEATURECENTERLOCK
NUT HEIGHT0.375 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYDEFORMED-THREAD LOCKNUT CENTERLOCK
NUT STYLEHEXAGON
END ITEM IDENTIFICATION6605-01-515-4610; MRAP BUFFALO MK2A2
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 90045A462?
90045A462 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 90045A462?
90045A462 is cataloged in the U.S. Government catalog under NSN 5310-01-523-6771. 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.