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13506281 — WASHER,CONCAVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

13506281: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL, recess_angle: 120.0 DEGREES NOMINAL, hole_diameter: 22.0 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM, recess_diameter: 31.0 MILLIMETERS NOMINAL MM, outside_diameter: 36.0 MILLIMETERS NOMINAL MM, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-534-6955, 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
13506281
NSN: 5310-01-534-6955
FSC: 5310 — Nuts and Washers
CAGE: 64059 — LOCKHEED MARTIN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
recess_angle120.0 DEGREES NOMINAL
hole_diameter22.0 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM
recess_diameter31.0 MILLIMETERS NOMINAL MM
outside_diameter36.0 MILLIMETERS NOMINAL MM
style_designatorRECESSED
material_thickness7.5 MILLIMETERS NOMINAL MM
end_item_identificationEND ITEM NSN: 1427-01-532-0256 PATRIOT PAC3
material_document_and_classificationA108 ASSN STD ALL MATERIAL RESPONSES OVERALL
part_name_assigned_by_controlling_agencyWASHER,CONCAVE-TIEDOWN
NSN5310-01-534-6955
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 13506281 · 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: A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 36.0 MILLIMETERS NOMINAL MM
•
MATERIAL THICKNESS: 7.5 MILLIMETERS NOMINAL MM
•
RECESS DIAMETER: 31.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONA108 ASSN STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER36.0 MILLIMETERS NOMINAL MM
MATERIAL THICKNESS7.5 MILLIMETERS NOMINAL MM
RECESS DIAMETER31.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,CONCAVE-TIEDOWN
END ITEM IDENTIFICATIONEND ITEM NSN: 1427-01-532-0256 PATRIOT PAC3
MATERIALSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
HOLE DIAMETER22.0 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM
RECESS ANGLE120.0 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 13506281?
13506281 is a WASHER,CONCAVE.
What is the NSN for 13506281?
13506281 is cataloged in the U.S. Government catalog under NSN 5310-01-534-6955. This indicates validated use in U.S. government and defense supply chains.
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