PartsTable
Technical Data Sheet
PartsTable / MRO / 542J
542J ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, overall_width: 0.500 INCHES NOMINAL IN, overall_height: 0.380 INCHES NOMINAL IN, overall_length: 0.660 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), style_designator: IRREGULAR SHAPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-191-2909, 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→ 542J
NSN: 5999-01-191-2909
FSC: 5999
CAGE: 71785 — CINCH CONNECTIVITY SOLUTIONS INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
overall_width0.500 INCHES NOMINAL IN
overall_height0.380 INCHES NOMINAL IN
overall_length0.660 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
style_designatorIRREGULAR SHAPE
surface_treatmentTIN BODY
mounting_facility_quantity2
unthreaded_mounting_hole_diameter0.125 INCHES NOMINAL IN
distance_between_mounting_facility_centers0.380 INCHES NOMINAL IN
NSN5999-01-191-2909
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 542J MFR TRANSFORMER,RADIO FREQUENCY
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 2
•
MATERIAL: COPPER ALLOY BODY
•
SURFACE TREATMENT: TIN BODY
•
STYLE DESIGNATOR: IRREGULAR SHAPE
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 0.380 INCHES NOMINAL IN
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY QUANTITY2
MATERIALCOPPER ALLOY BODY
SURFACE TREATMENTTIN BODY
STYLE DESIGNATORIRREGULAR SHAPE
MOUNTING METHODUNTHREADED HOLE(S)
OVERALL HEIGHT0.380 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS0.380 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
OVERALL LENGTH0.660 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
643161Interchangeable
interchangeable cross-reference
interchangeable
112-05046Interchangeable
interchangeable cross-reference
interchangeable
71955Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 542J?
542J is a TRANSFORMER,RADIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 542J?
There are 3 known substitutes for 542J: 643161, 112-05046, 71955. Substitute compatibility should be verified for your specific system.
What is the NSN for 542J?
542J is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-191-2909. 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