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775-5081-001 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

775-5081-001: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, hole_diameter: 0.1255 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, shoulder_height: 0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN, outside_diameter: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, style_designator: SHOULDERED, shoulder_diameter: 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-437-9432, 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
775-5081-001
NSN: 5310-00-437-9432
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
hole_diameter0.1255 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
shoulder_height0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
outside_diameter0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.008 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification580-0025-00 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-437-9432
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 775-5081-001 · 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: 580-0025-00 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER HEIGHT: 0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.008 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION580-0025-00 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SHOULDER HEIGHT0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
MATERIAL THICKNESS0.008 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
SHOULDER DIAMETER0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 303 OVERALL
HOLE DIAMETER0.1255 INCHES MINIMUM AND 0.130 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

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 775-5081-001?
775-5081-001 is a WASHER,SHOULDERED.
What is the NSN for 775-5081-001?
775-5081-001 is cataloged in the U.S. Government catalog under NSN 5310-00-437-9432. 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.