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6465-80-311-3101 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6465-80-311-3101: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, hole_diameter: 1.057 INCHES MINIMUM AND 1.0574 INCHES MAXIMUM IN, surface_finish: 16.0 MICROINCHES TOP, shoulder_height: 0.115 INCHES NOMINAL IN, outside_diameter: 1.550 INCHES MINIMUM AND 1.551 INCHES MAXIMUM IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-230-3183, 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
6465-80-311-3101
NSN: 5310-00-230-3183
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
hole_diameter1.057 INCHES MINIMUM AND 1.0574 INCHES MAXIMUM IN
surface_finish16.0 MICROINCHES TOP
shoulder_height0.115 INCHES NOMINAL IN
outside_diameter1.550 INCHES MINIMUM AND 1.551 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter1.290 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
material_thickness0.150 INCHES NOMINAL IN
material_document_and_classificationQQ-A-225/9,ALLOY 7075,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-230-3183
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6465-80-311-3101 · 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: 16.0 MICROINCHES TOP
•
SHOULDER HEIGHT: 0.115 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/9,ALLOY 7075,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.550 INCHES MINIMUM AND 1.551 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.150 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 1.290 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH16.0 MICROINCHES TOP
SURFACE FINISH63.0 MICROINCHES OUTER
SHOULDER HEIGHT0.115 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9,ALLOY 7075,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.550 INCHES MINIMUM AND 1.551 INCHES MAXIMUM IN
MATERIAL THICKNESS0.150 INCHES NOMINAL IN
SHOULDER DIAMETER1.290 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 7075 OVERALL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6465-80-311-3101?
6465-80-311-3101 is a WASHER,SHOULDERED.
What is the NSN for 6465-80-311-3101?
6465-80-311-3101 is cataloged in the U.S. Government catalog under NSN 5310-00-230-3183. 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.