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Technical Data Sheet
PartsTable / COMPONENT / 99-4000-4
99-4000-4 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RING,LOCK,KEYED 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 5365-00-573-2970, 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
99-4000-4
NSN: 5365-00-573-2970
FSC: 5365
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
Part Number99-4000-4
NSN5365-00-573-2970
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,LOCK,KEYED TITLE COMPONENT PN 99-4000-4 MFR RING,LOCK,KEYED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
7024Interchangeable
interchangeable cross-reference
interchangeable
MILF24361SYM311Interchangeable
interchangeable cross-reference
interchangeable
29898DInterchangeable
interchangeable cross-reference
interchangeable
81-LX1/40TUBEInterchangeable
interchangeable cross-reference
interchangeable
C7024Interchangeable
interchangeable cross-reference
interchangeable
7-116SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99-4000-4?
99-4000-4 is a RING,LOCK,KEYED.
What parts can replace 99-4000-4?
There are 16 known substitutes for 99-4000-4: 7024, MILF24361SYM311, 29898D and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99-4000-4?
99-4000-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-573-2970. 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