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310-0090-000 — WASHER,FINISHING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

310-0090-000: WASHER,FINISHING.

The WASHER,FINISHING is a the manufacturer industrial component. Key specifications include hole_diameter: 0.187 INCHES NOMINAL IN, overall_height: 0.105 INCHES NOMINAL IN, outside_diameter: 0.520 INCHES NOMINAL IN, style_designator: FINISHING, surface_treatment: CHROMIUM OVERALL, material_document_and_classification: QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-065-6372, 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
310-0090-000
NSN: 5310-01-065-6372
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 11 OR COPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OVERALL
hole_diameter0.187 INCHES NOMINAL IN
overall_height0.105 INCHES NOMINAL IN
outside_diameter0.520 INCHES NOMINAL IN
style_designatorFINISHING
surface_treatmentCHROMIUM OVERALL
material_document_and_classificationQQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-C-320,CL 1,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-065-6372
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 310-0090-000 · 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 TREATMENT DOCUMENT AND CLASSIFICATION: QQ-C-320,CL 1,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: FINISHING
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 0.520 INCHES NOMINAL IN
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
MATERIAL: COPPER ALLOY 11 OR COPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OVERALL
•
HOLE DIAMETER: 0.187 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.105 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320,CL 1,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORFINISHING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.520 INCHES NOMINAL IN
SURFACE TREATMENTCHROMIUM OVERALL
MATERIALCOPPER ALLOY 11 OR COPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OVERALL
HOLE DIAMETER0.187 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 310-0090-000?
310-0090-000 is a WASHER,FINISHING.
What is the NSN for 310-0090-000?
310-0090-000 is cataloged in the U.S. Government catalog under NSN 5310-01-065-6372. 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.