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12576345 — WASHER,SHOULDERED AND RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12576345: WASHER,SHOULDERED AND RECESSED.

The WASHER,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1008 OR STEEL COMP 1020 OVERALL, recess_angle: 82.0 DEGREES NOMINAL, hole_diameter: 0.530 INCHES NOMINAL IN, recess_diameter: 0.920 INCHES NOMINAL IN, shoulder_height: 0.090 INCHES NOMINAL IN, outside_diameter: 1.280 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-251-8576, 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
12576345
NSN: 5310-01-251-8576
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 1008 OR STEEL COMP 1020 OVERALL
recess_angle82.0 DEGREES NOMINAL
hole_diameter0.530 INCHES NOMINAL IN
recess_diameter0.920 INCHES NOMINAL IN
shoulder_height0.090 INCHES NOMINAL IN
outside_diameter1.280 INCHES NOMINAL IN
style_designatorSHOULDERED AND RECESSED
shoulder_diameter0.850 INCHES NOMINAL IN
material_thickness0.280 INCHES NOMINAL IN
end_item_identificationA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
NSN5310-01-251-8576
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12576345 · 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
•
SHOULDER HEIGHT: 0.090 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
OUTSIDE DIAMETER: 1.280 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.280 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.850 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.920 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1008 OR STEEL COMP 1020 OVERALL
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.090 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED AND RECESSED
OUTSIDE DIAMETER1.280 INCHES NOMINAL IN
MATERIAL THICKNESS0.280 INCHES NOMINAL IN
SHOULDER DIAMETER0.850 INCHES NOMINAL IN
RECESS DIAMETER0.920 INCHES NOMINAL IN
END ITEM IDENTIFICATIONA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MATERIALSTEEL COMP 1008 OR STEEL COMP 1020 OVERALL
HOLE DIAMETER0.530 INCHES NOMINAL IN
RECESS ANGLE82.0 DEGREES NOMINAL
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 12576345?
12576345 is a WASHER,SHOULDERED AND RECESSED.
What is the NSN for 12576345?
12576345 is cataloged in the U.S. Government catalog under NSN 5310-01-251-8576. 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.