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W57 ✓ Verified by PartsTable
— · CABLE ASSEMBLY
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 HEATER,THERMAL RELEASE is a the manufacturer industrial component. Key specifications include overall_width: 0.375 INCHES NOMINAL IN, overall_height: 0.563 INCHES NOMINAL IN, overall_length: 1.906 INCHES NOMINAL IN, mounting_facility_type_and_quantity: 2 WIRE LOOPS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-868-2956, 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
W57
NSN: 5999-00-868-2956
FSC: 5999
CAGE: 63743 — WARD LEONARD CT LLC (USA)
SPECIFICATIONS
overall_width0.375 INCHES NOMINAL IN
overall_height0.563 INCHES NOMINAL IN
overall_length1.906 INCHES NOMINAL IN
mounting_facility_type_and_quantity2 WIRE LOOPS
NSN5999-00-868-2956
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 W57 MFR HEATER,THERMAL RELEASE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 WIRE LOOPS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.563 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
OVERALL LENGTH1.906 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 WIRE LOOPS
OVERALL HEIGHT0.563 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
OVERALL LENGTH1.906 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 WIRE LOOPS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
LA-361-5Interchangeable
interchangeable cross-reference
interchangeable
1923GInterchangeable
interchangeable cross-reference
interchangeable
424MAS1Interchangeable
interchangeable cross-reference
interchangeable
W57Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W57?
W57 is a HEATER,THERMAL RELEASE.
What parts can replace W57?
There are 4 known substitutes for W57: LA-361-5, 1923G, 424MAS1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W57?
W57 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-868-2956. 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