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8763497 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8763497: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1020 OVERALL, thickness: 0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN, hole_diameter: 0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN, hardness_rating: 80.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 85.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM, overall_diameter: 1.303 INCHES MINIMUM AND 1.323 INCHES MAXIMUM IN, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-679-9813, 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
8763497
NSN: 5310-00-679-9813
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1020 OVERALL
thickness0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
hole_diameter0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
hardness_rating80.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 85.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
overall_diameter1.303 INCHES MINIMUM AND 1.323 INCHES MAXIMUM IN
features_providedCASEHARDENED
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classification-QQ-S-640 CANC FED SPEC ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-679-9813
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8763497 · 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-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 1.303 INCHES MINIMUM AND 1.323 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 85.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: -QQ-S-640 CANC FED SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
FEATURES PROVIDED: CASEHARDENED
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.303 INCHES MINIMUM AND 1.323 INCHES MAXIMUM IN
HARDNESS RATING80.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 85.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION-QQ-S-640 CANC FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
FEATURES PROVIDEDCASEHARDENED
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1020 OVERALL
CENTER HOLE SHAPE STYLEROUND
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8763497?
8763497 is a WASHER,FLAT.
What is the NSN for 8763497?
8763497 is cataloged in the U.S. Government catalog under NSN 5310-00-679-9813. This indicates validated use in U.S. government and defense supply chains.
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