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Technical Data Sheet
PartsTable / MRO / M121
M121 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

The M121 is a the manufacturer industrial component. Key specifications include end_item_identification: WINCH,DRUM,POWER OPERATED, PART NUMBER PW-SF-190 STBD ABOARD 49 FT BUSL COAST GUARD VESSELS FT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-152-8372, 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
MRO→ MRO_GENERAL→ M121
NSN: 5998-00-152-8372
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 15476 — COMPAQ FEDERAL LLC (USA)
SPECIFICATIONS
end_item_identificationWINCH,DRUM,POWER OPERATED, PART NUMBER PW-SF-190 STBD ABOARD 49 FT BUSL COAST GUARD VESSELS FT
NSN5998-00-152-8372
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN M121 MFR M121
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH8.937 INCHES NOMINAL IN
OVERALL WIDTH2.437 INCHES NOMINAL IN
OVERALL HEIGHT0.500 INCHES NOMINAL IN
OVERALL LENGTH8.937 INCHES NOMINAL IN
OVERALL WIDTH2.437 INCHES NOMINAL IN
OVERALL HEIGHT0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
M121Interchangeable
interchangeable cross-reference
interchangeable
77A044Interchangeable
interchangeable cross-reference
interchangeable
SC-B-34495Interchangeable
interchangeable cross-reference
interchangeable
M12100Interchangeable
interchangeable cross-reference
interchangeable
MILG9546Interchangeable
interchangeable cross-reference
interchangeable
MB5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M121?
M121 is a M121. It is classified as a MRO (MRO_GENERAL).
What parts can replace M121?
There are 11 known substitutes for M121: M121, 77A044, SC-B-34495 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M121?
M121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-152-8372. 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