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12591981 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12591981: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, recess_depth: 0.060 INCHES NOMINAL IN, hole_diameter: 0.500 INCHES NOMINAL IN, overall_height: 0.160 INCHES NOMINAL IN, recess_diameter: 0.690 INCHES NOMINAL IN, outside_diameter: 1.130 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-341-4751, 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
12591981
NSN: 5310-01-341-4751
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
recess_depth0.060 INCHES NOMINAL IN
hole_diameter0.500 INCHES NOMINAL IN
overall_height0.160 INCHES NOMINAL IN
recess_diameter0.690 INCHES NOMINAL IN
outside_diameter1.130 INCHES NOMINAL IN
style_designatorRECESSED
end_item_identificationUSED ON ABF334 AR5
material_document_and_classificationASTM B453,GRADE 356-H02 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-341-4751
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12591981 · 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
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B453,GRADE 356-H02 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.130 INCHES NOMINAL IN
•
RECESS DEPTH: 0.060 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.690 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.160 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B453,GRADE 356-H02 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.130 INCHES NOMINAL IN
RECESS DEPTH0.060 INCHES NOMINAL IN
RECESS DIAMETER0.690 INCHES NOMINAL IN
END ITEM IDENTIFICATIONUSED ON ABF334 AR5
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.500 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 12591981?
12591981 is a WASHER,RECESSED.
What is the NSN for 12591981?
12591981 is cataloged in the U.S. Government catalog under NSN 5310-01-341-4751. This indicates validated use in U.S. government and defense supply chains.
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