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Technical Data Sheet
PartsTable / MRO / 550254
550254 ✓ Verified by PartsTable
IMC Toys · 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 material: STEEL OUTER RING, bore_shape: STRAIGHT, bore_diameter: 45.0 MILLIMETERS NOMINAL MM, overall_width: 25.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: NONLOCATING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-421-0997, 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→ 550254
NSN: 5998-00-421-0997
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter45.0 MILLIMETERS NOMINAL MM
overall_width25.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
overall_outside_diameter100.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationRBEC NO.1
NSN5998-00-421-0997
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 550254 MFR IMC Toys RESISTOR,VARIABLE,WIRE WOUND,NON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
62FT1Interchangeable
interchangeable cross-reference
interchangeable
230384Interchangeable
interchangeable cross-reference
interchangeable
912776Interchangeable
interchangeable cross-reference
interchangeable
33701Interchangeable
interchangeable cross-reference
interchangeable
512264Interchangeable
interchangeable cross-reference
interchangeable
4590067-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 550254?
550254 is a RESISTOR,VARIABLE,WIRE WOUND,NON manufactured by IMC Toys. It is classified as a MRO (MRO_GENERAL).
What parts can replace 550254?
There are 10 known substitutes for 550254: 62FT1, 230384, 912776 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 550254?
550254 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-421-0997. 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