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Technical Data Sheet
PartsTable / MRO / 451-2
451-2 ✓ 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 MODEM,COMMUNICATIONS is a the manufacturer industrial component. Key specifications include end_item_identification: LANDING GEAR SYSTEMS/COMPONENTS, criticality_code_justification: FEAT, part_name_assigned_by_controlling_agency: TORQUE TUBE ASSY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-421-7185, 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→ 451-2
NSN: 5998-01-421-7185
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 61638 — ADVANCED INTERCONNECTIONS CORPORATION (USA)
SPECIFICATIONS
special_featuresTHE ITEM DOES NOT HAVE A NUCLEAR BUT DOES HAVE OTHER CRITICAL FEATURE(S) SUCH AS TOLERANCE, FIT RESTRICTION OR APPLICATION
end_item_identificationLANDING GEAR SYSTEMS/COMPONENTS
criticality_code_justificationFEAT
part_name_assigned_by_controlling_agencyTORQUE TUBE ASSY
NSN5998-01-421-7185
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 451-2 MFR MODEM,COMMUNICATIONS
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAIRPORT SURVEILLANCE DETECTION EQUIPMENT (ASDE3)
END ITEM IDENTIFICATIONAIRPORT SURVEILLANCE DETECTION EQUIPMENT (ASDE3)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
189883Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 451-2?
451-2 is a MODEM,COMMUNICATIONS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 451-2?
There is 1 known substitute for 451-2: 189883. Substitute compatibility should be verified for your specific system.
What is the NSN for 451-2?
451-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-421-7185. 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