PartsTable
Technical Data Sheet
Download PDF

B502-031 ITEM 5 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B502-031 ITEM 5: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-251-3401, 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
B502-031 ITEM 5
NSN: 5310-01-251-3401
FSC: 5310 — Nuts and Washers
CAGE: 0A0L9 — CENTOFANTI MARINE SERVICE INC (USA)
SPECIFICATIONS
Part NumberB502-031 ITEM 5
NSN5310-01-251-3401
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B502-031 ITEM 5 · 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 1
F023-147Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
Ready to buy B502-031 ITEM 5?
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 B502-031 ITEM 5?
B502-031 ITEM 5 is a WASHER,SPRING TENSION.
What parts can replace B502-031 ITEM 5?
There is 1 known substitute for B502-031 ITEM 5: F023-147. Substitute compatibility should be verified for your specific system.
What is the NSN for B502-031 ITEM 5?
B502-031 ITEM 5 is cataloged in the U.S. Government catalog under NSN 5310-01-251-3401. 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 — B502-031 ITEM 5

✓ 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.