PartsTable
Technical Data Sheet
Download PDF

R8321640-6 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

R8321640-6: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-720-0586, 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
R8321640-6
NSN: 5310-01-720-0586
FSC: 5310 — Nuts and Washers
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberR8321640-6
NSN5310-01-720-0586
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R8321640-6 · 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
SUBSTITUTES & CROSS-REFERENCES 4
8843754Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LSA001821-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
218124581Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
752-8843754-6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy R8321640-6?
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 R8321640-6?
R8321640-6 is a NUT,PLAIN,ROUND.
What parts can replace R8321640-6?
There are 4 known substitutes for R8321640-6: 8843754, LSA001821-6, 218124581 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R8321640-6?
R8321640-6 is cataloged in the U.S. Government catalog under NSN 5310-01-720-0586. 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 — R8321640-6

✓ 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.