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Technical Data Sheet
PartsTable / MRO / 321-304
321-304 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include features_provided: ELECTROSTATIC SENSITIVE, end_item_identification: AN/ALR-69 PECULIAR, criticality_code_justification: CBBL, part_name_assigned_by_controlling_agency: CIRCUIT CARD ASSEMBLY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-056-4953, 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→ 321-304
NSN: 5998-01-056-4953
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
features_providedELECTROSTATIC SENSITIVE
end_item_identificationAN/ALR-69 PECULIAR
criticality_code_justificationCBBL
part_name_assigned_by_controlling_agencyCIRCUIT CARD ASSEMBLY
NSN5998-01-056-4953
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 321-304 MFR RESISTOR,VARIABLE,WIRE WOUND,NON
KEY FEATURES
•
FEATURES PROVIDED: ELECTROSTATIC SENSITIVE
•
CRITICALITY CODE JUSTIFICATION: CBBL
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDELECTROSTATIC SENSITIVE
PART NAME ASSIGNED BY CONTROLLING AGENCYCIRCUIT CARD ASSEMBLY
END ITEM IDENTIFICATIONAN/ALR-69 PECULIAR
CRITICALITY CODE JUSTIFICATIONCBBL
FEATURES PROVIDEDELECTROSTATIC SENSITIVE
PART NAME ASSIGNED BY CONTROLLING AGENCYCIRCUIT CARD ASSEMBLY
END ITEM IDENTIFICATIONAN/ALR-69 PECULIAR
CRITICALITY CODE JUSTIFICATIONCBBL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
304Interchangeable
interchangeable cross-reference
interchangeable
45485Interchangeable
interchangeable cross-reference
interchangeable
KSC304Interchangeable
interchangeable cross-reference
interchangeable
312310-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 321-304?
321-304 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 321-304?
There are 4 known substitutes for 321-304: 304, 45485, KSC304 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 321-304?
321-304 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-056-4953. 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