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W38 ✓ 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 material: STEEL OVERALL, mounting: NOT INCLUDED, bore_shape: STRAIGHT, design_type: MECHANICAL, bore_diameter: 30.0 MILLIMETERS NOMINAL MM, mounting_type: FLOOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-363-6864, 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
W38
NSN: 5999-01-363-6864
FSC: 5999
CAGE: 01121 — ROCKWELL AUTOMATION, INC. DBA ROCKWELL AUTOMATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
mountingNOT INCLUDED
bore_shapeSTRAIGHT
design_typeMECHANICAL
bore_diameter30.0 MILLIMETERS NOMINAL MM
mounting_typeFLOOR
overall_width19.0 MILLIMETERS NOMINAL MM
working_width120.000 INCHES NOMINAL IN
alignment_typeRIGID
load_directionRADIAL
overall_height0.5312 INCHES NOMINAL IN
surface_finishGROUND
NSN5999-01-363-6864
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 W38 MFR HEATER,THERMAL RELEASE
KEY FEATURES
•
CURRENT RATING FOR WHICH DESIGNED: 3.0 AMPERES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT RATING FOR WHICH DESIGNED3.0 AMPERES NOMINAL
CURRENT RATING FOR WHICH DESIGNED3.0 AMPERES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4303SInterchangeable
interchangeable cross-reference
interchangeable
MS17161-1Interchangeable
interchangeable cross-reference
interchangeable
4303Interchangeable
interchangeable cross-reference
interchangeable
306SInterchangeable
interchangeable cross-reference
interchangeable
7606X1Interchangeable
interchangeable cross-reference
interchangeable
306KDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W38?
W38 is a HEATER,THERMAL RELEASE.
What parts can replace W38?
There are 9 known substitutes for W38: 4303S, MS17161-1, 4303 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W38?
W38 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-363-6864. 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