PartsTable
Technical Data Sheet
Download PDF

91074A329 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91074A329: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_height: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, hardness_rating: 8.0 ROCKWELL C NOMINAL, outside_diameter: 0.530 INCHES NOMINAL IN, style_designator: SPLIT DOUBLE HELICAL RING, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-691-6325, 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
91074A329
NSN: 5310-01-691-6325
FSC: 5310 — Nuts and Washers
CAGE: 0KVE6 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
hardness_rating8.0 ROCKWELL C NOMINAL
outside_diameter0.530 INCHES NOMINAL IN
style_designatorSPLIT DOUBLE HELICAL RING
surface_treatmentZINC OVERALL
part_name_assigned_by_controlling_agencyWEDGE LOCK WASHER
NSN5310-01-691-6325
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91074A329 · 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: 8.0 ROCKWELL C NOMINAL
•
STYLE DESIGNATOR: SPLIT DOUBLE HELICAL RING
•
OUTSIDE DIAMETER: 0.530 INCHES NOMINAL IN
•
COLOR: SILVER OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
HARDNESS RATING8.0 ROCKWELL C NOMINAL
STYLE DESIGNATORSPLIT DOUBLE HELICAL RING
OUTSIDE DIAMETER0.530 INCHES NOMINAL IN
COLORSILVER OVERALL
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYWEDGE LOCK WASHER
MATERIALSTEEL OVERALL
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
No demilitarization required
Ready to buy 91074A329?
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 91074A329?
91074A329 is a WASHER,LOCK.
What is the NSN for 91074A329?
91074A329 is cataloged in the U.S. Government catalog under NSN 5310-01-691-6325. 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 — 91074A329

✓ 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.