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12931010 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12931010: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1075 OVERALL, hole_diameter: 0.281 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN, overall_height: 0.197 INCHES NOMINAL IN, outside_diameter: 0.495 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN, style_designator: SPRING TENSION, material_thickness: 0.098 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-412-6014, 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
12931010
NSN: 5310-01-412-6014
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 1075 OVERALL
hole_diameter0.281 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
overall_height0.197 INCHES NOMINAL IN
outside_diameter0.495 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN
style_designatorSPRING TENSION
material_thickness0.098 INCHES NOMINAL IN
NSN5310-01-412-6014
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12931010 · 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: SPRING TENSION
•
OUTSIDE DIAMETER: 0.495 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.098 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1075 OVERALL
•
HOLE DIAMETER: 0.281 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.197 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER0.495 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN
MATERIAL THICKNESS0.098 INCHES NOMINAL IN
MATERIALSTEEL COMP 1075 OVERALL
HOLE DIAMETER0.281 INCHES MINIMUM AND 0.290 INCHES MAXIMUM 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 1
AK624 BLACK OXIDEReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12931010?
12931010 is a WASHER,SPRING TENSION.
What parts can replace 12931010?
There is 1 known substitute for 12931010: AK624 BLACK OXIDE. Substitute compatibility should be verified for your specific system.
What is the NSN for 12931010?
12931010 is cataloged in the U.S. Government catalog under NSN 5310-01-412-6014. 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.