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503031 — CHAIN ASSEMBLY,SINGLE LEG

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

503031: CHAIN ASSEMBLY,SINGLE LEG.

The CHAIN ASSEMBLY,SINGLE LEG is a the manufacturer industrial component. Key specifications include end_item_identification: NSN 5410-01-463-2855. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-851-3214, 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
503031
NSN: 5310-00-851-3214
NIINs: 008513214, 014640155
FSC: 5310 — Nuts and Washers
CAGE: 92739 — AMPEX SYSTEMS CORP (USA)
SPECIFICATIONS
end_item_identificationNSN 5410-01-463-2855
NSN5310-00-851-3214
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 503031 · 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
•
SHOULDER HEIGHT: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.308 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE OVERALL
•
HOLE DIAMETER: 0.195 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.031 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
SHOULDER DIAMETER0.308 INCHES NOMINAL IN
MATERIALCELLULOSE OVERALL
HOLE DIAMETER0.195 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 7
HS3017-F10SReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4702Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5310PL1280314Reference document
Same NSN cross-reference
Reference document — Informative reference only
619610-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10015465-008Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2156Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 503031?
503031 is a CHAIN ASSEMBLY,SINGLE LEG.
What parts can replace 503031?
There are 7 known substitutes for 503031: HS3017-F10S, 4702, 5310PL1280314 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503031?
503031 is cataloged in the U.S. Government catalog under NSN 5310-00-851-3214. 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.