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Technical Data Sheet
PartsTable / COMPONENT / 644366
644366 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CARRIER,CLUTCH RELEASE BEARING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-009-3929, 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
644366
NSN: 5360-00-009-3929
FSC: 5360
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCAST IRON O/A;2.220 IN. W O/A;3.000 IN. OUTER DIA O/A;1.250 IN. DIA BORE,2.220 IN. LG;1.440 IN. DIA COUNTERBORE,0.470 IN. LG IN
NSN5360-00-009-3929
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CARRIER,CLUTCH RELEASE BEARING TITLE COMPONENT PN 644366 MFR CARRIER,CLUTCH RELEASE
KEY FEATURES
•
INSIDE DIAMETER: 0.228 INCHES NOMINAL IN
•
BORE DIAMETER: 0.342 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
SPRING FREE OUTSIDE DIAMETER: 0.328 INCHES NOMINAL IN
•
SPRING FREE LENGTH: 0.281 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.228 INCHES NOMINAL IN
BORE DIAMETER0.342 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN
SPECIAL FEATURESCOLOR BLACK
STYLE DESIGNATORCYLINDRICAL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SPRING FREE OUTSIDE DIAMETER0.328 INCHES NOMINAL IN
SPRING FREE LENGTH0.281 INCHES NOMINAL IN
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
COIL QUANTITY2.5
MATERIALSTEEL UNS K08500 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
7371365Interchangeable
interchangeable cross-reference
interchangeable
639654Interchangeable
interchangeable cross-reference
interchangeable
644366Interchangeable
interchangeable cross-reference
interchangeable
PS35RBInterchangeable
interchangeable cross-reference
interchangeable
3519-BOCInterchangeable
interchangeable cross-reference
interchangeable
PS3 1/2 IBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 644366?
644366 is a CARRIER,CLUTCH RELEASE BEARING.
What parts can replace 644366?
There are 12 known substitutes for 644366: 7371365, 639654, 644366 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 644366?
644366 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-009-3929. 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