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90089A315 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

90089A315: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.015 INCHES NOMINAL IN, outside_radius: 0.500 INCHES NOMINAL IN, special_features: 0.25 INCH SCREW SIZE AND MATERIAL IS GREY HARD FIBER IN, end_item_identification: TECI AN/BQS15A0003 PUMA UNIT 6 CONSOLE, part_name_assigned_by_controlling_agency: GREY HARD FIBER WASHER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-528-4057, 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
90089A315
NSN: 5310-01-528-4057
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
thickness0.015 INCHES NOMINAL IN
outside_radius0.500 INCHES NOMINAL IN
special_features0.25 INCH SCREW SIZE AND MATERIAL IS GREY HARD FIBER IN
end_item_identificationTECI AN/BQS15A0003 PUMA UNIT 6 CONSOLE
part_name_assigned_by_controlling_agencyGREY HARD FIBER WASHER
NSN5310-01-528-4057
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 90089A315 · 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
•
OUTSIDE RADIUS: 0.500 INCHES NOMINAL IN
•
THICKNESS: 0.015 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE RADIUS0.500 INCHES NOMINAL IN
SPECIAL FEATURES0.25 INCH SCREW SIZE AND MATERIAL IS GREY HARD FIBER IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGREY HARD FIBER WASHER
END ITEM IDENTIFICATIONTECI AN/BQS15A0003 PUMA UNIT 6 CONSOLE
THICKNESS0.015 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 90089A315?
90089A315 is a WASHER,FLAT.
What is the NSN for 90089A315?
90089A315 is cataloged in the U.S. Government catalog under NSN 5310-01-528-4057. 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.