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K129-14 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

K129-14: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 6150 OVERALL, hole_diameter: 0.478 INCHES MINIMUM AND 0.478 INCHES MINIMUM AND 0.490 INCHES MAXIMUM0.490 INCHES MAXIMUM IN, overall_height: 0.028 INCHES MINIMUM AND 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM0.032 INCHES MAXIMUM IN, hardness_rating: 48.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM50.0 ROCKWELL C MAXIMUM, outside_diameter: 0.850 INCHES MINIMUM AND 0.850 INCHES MINIMUM AND 0.866 INCHES MAXIMUM0.866 INCHES MAXIMUM IN, style_designator: SPRING TENSION. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-033-2696, 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
K129-14
NSN: 5310-01-033-2696
FSC: 5310 — Nuts and Washers
CAGE: 18965 — DYNAMIC AIR ENGINEERING, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 6150 OVERALL
hole_diameter0.478 INCHES MINIMUM AND 0.478 INCHES MINIMUM AND 0.490 INCHES MAXIMUM0.490 INCHES MAXIMUM IN
overall_height0.028 INCHES MINIMUM AND 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM0.032 INCHES MAXIMUM IN
hardness_rating48.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM50.0 ROCKWELL C MAXIMUM
outside_diameter0.850 INCHES MINIMUM AND 0.850 INCHES MINIMUM AND 0.866 INCHES MAXIMUM0.866 INCHES MAXIMUM IN
style_designatorSPRING TENSION
material_thickness0.013 INCHES MINIMUM AND 0.013 INCHES MINIMUM AND 0.015 INCHES MAXIMUM0.015 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-033-2696
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: K129-14 · 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
•
HARDNESS RATING: 48.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM50.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.850 INCHES MINIMUM AND 0.850 INCHES MINIMUM AND 0.866 INCHES MAXIMUM0.866 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.013 INCHES MINIMUM AND 0.013 INCHES MINIMUM AND 0.015 INCHES MAXIMUM0.015 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 6150 OVERALL
•
HOLE DIAMETER: 0.478 INCHES MINIMUM AND 0.478 INCHES MINIMUM AND 0.490 INCHES MAXIMUM0.490 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.028 INCHES MINIMUM AND 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM0.032 INCHES MAXIMUM IN
HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.850 INCHES MINIMUM AND 0.850 INCHES MINIMUM AND 0.866 INCHES MAXIMUM0.866 INCHES MAXIMUM IN
MATERIAL THICKNESS0.013 INCHES MINIMUM AND 0.013 INCHES MINIMUM AND 0.015 INCHES MAXIMUM0.015 INCHES MAXIMUM IN
MATERIALSTEEL COMP 6150 OVERALL
HOLE DIAMETER0.478 INCHES MINIMUM AND 0.478 INCHES MINIMUM AND 0.490 INCHES MAXIMUM0.490 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

No substitute or cross-reference records for this part.

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 K129-14?
K129-14 is a WASHER,SPRING TENSION.
What is the NSN for K129-14?
K129-14 is cataloged in the U.S. Government catalog under NSN 5310-01-033-2696. 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.