PartsTable
Technical Data Sheet
W21 ✓ 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: ALUMINUM ALLOY, hole_diameter: 4.192 INCHES MINIMUM AND 4.222 INCHES MAXIMUM IN, outside_diameter: 5.000 INCHES MINIMUM AND 5.045 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.094 INCHES NOMINAL IN, external_key_quantity: 19. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-439-2763, 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
W21
NSN: 5999-01-439-2763
FSC: 5999
CAGE: 01121 — ROCKWELL AUTOMATION, INC. DBA ROCKWELL AUTOMATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
hole_diameter4.192 INCHES MINIMUM AND 4.222 INCHES MAXIMUM IN
outside_diameter5.000 INCHES MINIMUM AND 5.045 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.094 INCHES NOMINAL IN
external_key_quantity19
end_item_identificationCONTROLLER AC, PART NUMBER 0201-320-01-224 ABOARD 175 FT WLB COAST GOARD VESSELS FT
external_prebent_key_width0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
internal_prebent_key_width0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM IN
internal_prebent_key_length0.250 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
overall_distance_including_keys5.703 INCHES NOMINAL IN
current_rating_for_which_designed0.56 AMPERES NOMINAL
NSN5999-01-439-2763
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 W21 MFR HEATER,THERMAL RELEASE
KEY FEATURES
CURRENT RATING FOR WHICH DESIGNED: 0.56 AMPERES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT RATING FOR WHICH DESIGNED0.56 AMPERES NOMINAL
END ITEM IDENTIFICATIONCONTROLLER AC, PART NUMBER 0201-320-01-224 ABOARD 175 FT WLB COAST GOARD VESSELS FT
CURRENT RATING FOR WHICH DESIGNED0.56 AMPERES NOMINAL
END ITEM IDENTIFICATIONCONTROLLER AC, PART NUMBER 0201-320-01-224 ABOARD 175 FT WLB COAST GOARD VESSELS FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
W21Interchangeable
interchangeable cross-reference
interchangeable
CA625PC42Interchangeable
interchangeable cross-reference
interchangeable
W21-LPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
Ready to buy W21?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is W21?
W21 is a HEATER,THERMAL RELEASE.
What parts can replace W21?
There are 3 known substitutes for W21: W21, CA625PC42, W21-LP. Substitute compatibility should be verified for your specific system.
What is the NSN for W21?
W21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-439-2763. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — W21