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6531-70-300-8105 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6531-70-300-8105: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, thickness: 0.090 INCHES NOMINAL IN, hole_diameter: 1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN, overall_diameter: 2.370 INCHES MINIMUM AND 2.575 INCHES MAXIMUM IN, surface_treatment: ANODIZE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-330-9822, 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
6531-70-300-8105
NSN: 5310-01-330-9822
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
thickness0.090 INCHES NOMINAL IN
hole_diameter1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
overall_diameter2.370 INCHES MINIMUM AND 2.575 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-A-250/5 COND T3,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-330-9822
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6531-70-300-8105 · 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: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 2.370 INCHES MINIMUM AND 2.575 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5 COND T3,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: ANODIZE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER2.370 INCHES MINIMUM AND 2.575 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 COND T3,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTANODIZE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALALUMINUM ALLOY 2024 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
THICKNESS0.090 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6531-70-300-8105?
6531-70-300-8105 is a WASHER,FLAT.
What is the NSN for 6531-70-300-8105?
6531-70-300-8105 is cataloged in the U.S. Government catalog under NSN 5310-01-330-9822. This indicates validated use in U.S. government and defense supply chains.
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