PartsTable
Technical Data Sheet
PartsTable / MRO / W-L-142
W-L-142 ✓ 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

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include chain: NOT INCLUDED, shape: IRREGULAR, insert: NOT INCLUDED, diameter: 1.500 INCHES NOMINAL IN, material: PORCELAIN MOUNTING, usage_design: INTERCHANGEABLE CAP FOR TYPE 4 LAMPHOLDERS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-502-6807, 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→ W-L-142
NSN: 5999-00-502-6807
FSC: 5999
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
chainNOT INCLUDED
shapeIRREGULAR
insertNOT INCLUDED
diameter1.500 INCHES NOMINAL IN
materialPORCELAIN MOUNTING
usage_designINTERCHANGEABLE CAP FOR TYPE 4 LAMPHOLDERS
overall_width1.812 INCHES NOMINAL IN
terminal_typeSCREW
overall_height3.000 INCHES NOMINAL IN
overall_length3.000 INCHES NOMINAL IN
lamp_base_styleMOGUL SCREW
mounting_methodCONDUIT LOCATION NOT OTHERWISE SPECIFIED
NSN5999-00-502-6807
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 W-L-142 MFR CAPACITOR,VARIABLE,AIR DIELECTRI
KEY FEATURES
•
MATERIAL: CERAMIC BODY
•
NONDEFINITIVE SPEC/STD DATA: 4 TYPE AND 1 STYLE
•
CHAIN: NOT INCLUDED
•
FASTENING FACILITY: THREADED CATCH
•
USAGE DESIGN: INTERCHANGEABLE CAP FOR TYPE 4 LAMPHOLDERS
•
MOUNTING METHOD: FRICTION
•
INSERT: NOT INCLUDED
•
DIAMETER: 1.500 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCERAMIC BODY
NONDEFINITIVE SPEC/STD DATA4 TYPE AND 1 STYLE
CHAINNOT INCLUDED
FASTENING FACILITYTHREADED CATCH
USAGE DESIGNINTERCHANGEABLE CAP FOR TYPE 4 LAMPHOLDERS
MOUNTING METHODFRICTION
INSERTNOT INCLUDED
DIAMETER1.500 INCHES NOMINAL IN
MATERIALCERAMIC BODY
NONDEFINITIVE SPEC/STD DATA4 TYPE AND 1 STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
WL142 TYPE IV-1Interchangeable
Same NIIN cross-reference
interchangeable
WL142TYPE4-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W-L-142?
W-L-142 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace W-L-142?
There are 2 known substitutes for W-L-142: WL142 TYPE IV-1, WL142TYPE4-1. Substitute compatibility should be verified for your specific system.
What is the NSN for W-L-142?
W-L-142 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-502-6807. 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