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Technical Data Sheet
PartsTable / COMPONENT / 51991-23.5
51991-23.5 ✓ 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 51991-23.5 is a the manufacturer industrial component. Key specifications include Drive Bays: 2x 3.5" LFF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-01-220-8395, 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
51991-23.5
NSN: 2530-01-220-8395
FSC: 2530
CAGE: 83445 — AEROL LLC (USA)
SPECIFICATIONS
Drive Bays2x 3.5" LFF
NSN2530-01-220-8395
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 51991-23.5 TITLE COMPONENT PN 51991-23.5 MFR 51991-23.5
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
51991Interchangeable
interchangeable cross-reference
interchangeable
08-00470-000Interchangeable
interchangeable cross-reference
interchangeable
51991-5305Interchangeable
interchangeable cross-reference
interchangeable
51991-1Interchangeable
interchangeable cross-reference
interchangeable
BT-3/4Interchangeable
interchangeable cross-reference
interchangeable
51991-23-5Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51991-23.5?
51991-23.5 is a 51991-23.5.
What parts can replace 51991-23.5?
There are 6 known substitutes for 51991-23.5: 51991, 08-00470-000, 51991-5305 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51991-23.5?
51991-23.5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-01-220-8395. 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