PartsTable
Technical Data Sheet
Download PDF

5329012 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5329012: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 3.312 INCHES NOMINAL IN, overall_height: 0.312 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN, hardness_rating: 42.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM, outside_diameter: 4.750 INCHES NOMINAL IN, material_thickness: 0.134 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-532-9012, 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
5329012
NSN: 5310-00-532-9012
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter3.312 INCHES NOMINAL IN
overall_height0.312 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
hardness_rating42.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
outside_diameter4.750 INCHES NOMINAL IN
material_thickness0.134 INCHES NOMINAL IN
NSN5310-00-532-9012
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5329012 · 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: 42.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
•
OUTSIDE DIAMETER: 4.750 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.134 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 3.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.312 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
OUTSIDE DIAMETER4.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.134 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER3.312 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 1
0A320Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 5329012?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 5329012?
5329012 is a WASHER,SPRING TENSION.
What parts can replace 5329012?
There is 1 known substitute for 5329012: 0A320. Substitute compatibility should be verified for your specific system.
What is the NSN for 5329012?
5329012 is cataloged in the U.S. Government catalog under NSN 5310-00-532-9012. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 5329012

✓ 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.