PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 999-4-00020-003
999-4-00020-003 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-467-8233, 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
999-4-00020-003
NSN: 5325-00-467-8233
FSC: 5325
CAGE: K2523 — EATON LIMITED (GBR)
SPECIFICATIONS
Part Number999-4-00020-003
NSN5325-00-467-8233
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 999-4-00020-003 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
500037Interchangeable
interchangeable cross-reference
interchangeable
N5000-37ZIInterchangeable
interchangeable cross-reference
interchangeable
0510-0811Interchangeable
interchangeable cross-reference
interchangeable
607042Interchangeable
interchangeable cross-reference
interchangeable
900129Interchangeable
interchangeable cross-reference
interchangeable
A5011Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 999-4-00020-003?
999-4-00020-003 is a RING,RETAINING.
What parts can replace 999-4-00020-003?
There are 6 known substitutes for 999-4-00020-003: 500037, N5000-37ZI, 0510-0811 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 999-4-00020-003?
999-4-00020-003 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-467-8233. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026