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2532981-93 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2532981-93: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.093 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES ALL SURFACES, overall_diameter: 0.562 INCHES NOMINAL IN, fsc_application_data: MK26 MOD3, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-282-4405, 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
2532981-93
NSN: 5310-01-282-4405
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
thickness0.093 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES ALL SURFACES
overall_diameter0.562 INCHES NOMINAL IN
fsc_application_dataMK26 MOD3
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-01-282-4405
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2532981-93 · 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
•
SURFACE FINISH: 125.0 MICROINCHES ALL SURFACES
•
FSC APPLICATION DATA: MK26 MOD3
•
OVERALL DIAMETER: 0.562 INCHES NOMINAL IN
•
THICKNESS: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
FSC APPLICATION DATAMK26 MOD3
OVERALL DIAMETER0.562 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THICKNESS0.093 INCHES NOMINAL 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

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 2532981-93?
2532981-93 is a WASHER,FLAT.
What is the NSN for 2532981-93?
2532981-93 is cataloged in the U.S. Government catalog under NSN 5310-01-282-4405. 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.