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AEW07X250000SE3A31 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AEW07X250000SE3A31: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: WASHER, LOCK, REGULAR HELICAL SPRING; NON-THREADED FASTENER; .250 INCH DIA. IN, surface_treatment: PASSIVATE OVERALL, end_item_identification: MRAP RG-33;MRAP PLUS, specification/standard_data: ASMEB18.24-2004 GOVERNMENT SPECIFICATION, part_name_assigned_by_controlling_agency: LOCK WASHER.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-576-7303, 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
AEW07X250000SE3A31
NSN: 5310-01-576-7303
FSC: 5310 — Nuts and Washers
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresWASHER, LOCK, REGULAR HELICAL SPRING; NON-THREADED FASTENER; .250 INCH DIA. IN
surface_treatmentPASSIVATE OVERALL
end_item_identificationMRAP RG-33;MRAP PLUS
specification/standard_dataASMEB18.24-2004 GOVERNMENT SPECIFICATION
part_name_assigned_by_controlling_agencyLOCK WASHER
NSN5310-01-576-7303
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AEW07X250000SE3A31 · 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
•
SPECIFICATION/STANDARD DATA: ASMEB18.24-2004 GOVERNMENT SPECIFICATION
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPECIFICATION/STANDARD DATAASMEB18.24-2004 GOVERNMENT SPECIFICATION
SPECIAL FEATURESWASHER, LOCK, REGULAR HELICAL SPRING; NON-THREADED FASTENER; .250 INCH DIA. IN
SURFACE TREATMENTPASSIVATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCK WASHER
END ITEM IDENTIFICATIONMRAP RG-33;MRAP PLUS
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 AEW07X250000SE3A31?
AEW07X250000SE3A31 is a WASHER,LOCK.
What is the NSN for AEW07X250000SE3A31?
AEW07X250000SE3A31 is cataloged in the U.S. Government catalog under NSN 5310-01-576-7303. 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.