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AEW31X312A25SA7LP1 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AEW31X312A25SA7LP1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include length: 1.125 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, thickness: 0.064 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN, hole_diameter: 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN, overall_diameter: 0.312 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-679-1534, 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
AEW31X312A25SA7LP1
NSN: 5310-01-679-1534
FSC: 5310 — Nuts and Washers
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
length1.125 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
thickness0.064 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
hole_diameter0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
overall_diameter0.312 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification5420-01-545-7365
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyWASHER, FENDER
NSN5310-01-679-1534
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AEW31X312A25SA7LP1 · 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
•
LENGTH: 1.125 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
LENGTH1.125 INCHES NOMINAL IN
OVERALL DIAMETER0.312 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, FENDER
END ITEM IDENTIFICATION5420-01-545-7365
MATERIALSTEEL CORROSION RESISTING OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
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 1
ASME B18.24-2015Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 AEW31X312A25SA7LP1?
AEW31X312A25SA7LP1 is a WASHER,FLAT.
What parts can replace AEW31X312A25SA7LP1?
There is 1 known substitute for AEW31X312A25SA7LP1: ASME B18.24-2015. Substitute compatibility should be verified for your specific system.
What is the NSN for AEW31X312A25SA7LP1?
AEW31X312A25SA7LP1 is cataloged in the U.S. Government catalog under NSN 5310-01-679-1534. 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.