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Technical Data Sheet
PartsTable / COMPONENT / 21643
21643 ✓ Verified by PartsTable
Lindy · 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 HOUSING,MECHANICAL DRIVE is a Lindy industrial component. Key specifications include angle: 45.0 DEGREES NOMINAL, material: COPPER ALLOY OVERALL, body_width: 5.125 INCHES NOMINAL IN, body_height: 7.125 INCHES NOMINAL IN, body_length: 5.500 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-647-8323, 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
21643
NSN: 5950-00-647-8323
FSC: 5950
CAGE: 73386 — FREED TRANSFORMER CO (USA)
SPECIFICATIONS
angle45.0 DEGREES NOMINAL
materialCOPPER ALLOY OVERALL
body_width5.125 INCHES NOMINAL IN
body_height7.125 INCHES NOMINAL IN
body_length5.500 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
extrusion_angle45.0 DEGREES NOMINAL
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
style_designatorTEAR-DROP (EGG-SHAPED)
nominal_thread_size0.250 INCHES SINGLE GROUP IN
peripheral_diameter0.542 INCHES NOMINAL IN
NSN5950-00-647-8323
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Lindy HOUSING,MECHANICAL DRIVE TITLE COMPONENT PN 21643 MFR Lindy HOUSING,MECHANICAL DRI
KEY FEATURES
•
WINDING OPERATING VOLTAGE: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
WINDING OPERATING CURRENT: 700.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
•
BODY HEIGHT: 7.125 INCHES NOMINAL IN
•
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
•
WINDING POWER RATING: 1.4 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 3.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING CURRENT700.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
BODY HEIGHT7.125 INCHES NOMINAL IN
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
WINDING POWER RATING1.4 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH3.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
FREQUENCY RATING50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
THREAD QUANTITY PER INCH20 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
S719Interchangeable
interchangeable cross-reference
interchangeable
32357Interchangeable
interchangeable cross-reference
interchangeable
131196Interchangeable
interchangeable cross-reference
interchangeable
D33212Interchangeable
interchangeable cross-reference
interchangeable
758712Interchangeable
interchangeable cross-reference
interchangeable
HAN32357Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21643?
21643 is a HOUSING,MECHANICAL DRIVE manufactured by Lindy.
What parts can replace 21643?
There are 13 known substitutes for 21643: S719, 32357, 131196 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21643?
21643 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-647-8323. 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