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Technical Data Sheet
PartsTable / MRO / 74321
74321 ✓ 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 74321 is a the manufacturer industrial component. Key specifications include special_features: CIRCUIT CARD IS ELECTROSTATIC DISCHARGE (ESD) AND ELECTROMAGNETIC INTERFERENCE (EMI) SENSITIVE, features_provided: ELECTROSTATIC SENSITIVE, end_item_identification: IP-1747/WSN (77135)CDU, part_name_assigned_by_controlling_agency: CONTROL DISPLAY UNIT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-516-4960, 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→ 74321
NSN: 5998-01-516-4960
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 29355 — NAVY, UNITED STATES DEPARTMENT OF THE DBA SPACE & NAVAL WARFARE SYSTEMS CENTER, ATLANTIC (USA)
SPECIFICATIONS
special_featuresCIRCUIT CARD IS ELECTROSTATIC DISCHARGE (ESD) AND ELECTROMAGNETIC INTERFERENCE (EMI) SENSITIVE
features_providedELECTROSTATIC SENSITIVE
end_item_identificationIP-1747/WSN (77135)CDU
part_name_assigned_by_controlling_agencyCONTROL DISPLAY UNIT
NSN5998-01-516-4960
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 74321 MFR 74321
KEY FEATURES
•
FEATURES PROVIDED: ELECTROSTATIC SENSITIVE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONIP-1747/WSN(73653), CONTROL DISPLAY UNIT; IP-1747/WSN(73654), CONTROL DISPLAY UNIT; IP-1747/WSN(77135), CONTROL DISPLAY UNIT
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY): ESRB-7A BOARD ASSEMBLY A
SPECIAL FEATURESCIRCUIT CARD IS ELECTROSTATIC DISCHARGE (ESD) AND ELECTROMAGNETIC INTERFERENCE (EMI) SENSITIVE
FEATURES PROVIDEDELECTROSTATIC SENSITIVE
END ITEM IDENTIFICATIONIP-1747/WSN(73653), CONTROL DISPLAY UNIT; IP-1747/WSN(73654), CONTROL DISPLAY UNIT; IP-1747/WSN(77135), CONTROL DISPLAY UNIT
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY): ESRB-7A BOARD ASSEMBLY A
SPECIAL FEATURESCIRCUIT CARD IS ELECTROSTATIC DISCHARGE (ESD) AND ELECTROMAGNETIC INTERFERENCE (EMI) SENSITIVE
FEATURES PROVIDEDELECTROSTATIC SENSITIVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
74321Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-846Interchangeable
interchangeable cross-reference
interchangeable
A-A-65Interchangeable
interchangeable cross-reference
interchangeable
74321-1Interchangeable
interchangeable cross-reference
interchangeable
88185Interchangeable
interchangeable cross-reference
interchangeable
80846Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74321?
74321 is a 74321. It is classified as a MRO (MRO_GENERAL).
What parts can replace 74321?
There are 8 known substitutes for 74321: 74321, GGG-P-846, A-A-65 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74321?
74321 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-516-4960. 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