PartsTable
Technical Data Sheet
PartsTable / MRO / 1643-43
1643-43 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

RESISTOR,VARIABLE,WIRE WOUND,NON. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-200-9983, 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
MRO→ MRO_GENERAL→ 1643-43
NSN: 5950-00-200-9983
FSC: 5950
CAGE: 18212 — AMERICAN TRANS-COIL CORP (USA)
SPECIFICATIONS
Part Number1643-43
NSN5950-00-200-9983
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN 1643-43 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
INCLOSURE TYPE: FULLY INCLOSED
•
TERMINAL TYPE AND QUANTITY: 2 PIN
•
WINDING CONDUCTOR SIZE: 0.00198 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
•
OVERALL DIAMETER: 0.422 INCHES NOMINAL IN
•
RATING METHOD: WINDING TURNS SINGLE COMPONENT SINGLE WINDING
•
ADJUSTMENT METHOD AND QUANTITY: 1 ADJUSTABLE CUP SINGLE COMPONENT
•
COIL FORM TYPE: HOLLOW SINGLE COMPONENT
•
BODY OUTSIDE DIAMETER: 0.422 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INCLOSURE TYPEFULLY INCLOSED
TERMINAL TYPE AND QUANTITY2 PIN
WINDING CONDUCTOR SIZE0.00198 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
OVERALL DIAMETER0.422 INCHES NOMINAL IN
RATING METHODWINDING TURNS SINGLE COMPONENT SINGLE WINDING
ADJUSTMENT METHOD AND QUANTITY1 ADJUSTABLE CUP SINGLE COMPONENT
COIL FORM TYPEHOLLOW SINGLE COMPONENT
BODY OUTSIDE DIAMETER0.422 INCHES NOMINAL IN
MOUNTING TAB WIDTH0.060 INCHES NOMINAL IN
OVERALL LENGTH0.620 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
10164395Interchangeable
interchangeable cross-reference
interchangeable
4914Interchangeable
interchangeable cross-reference
interchangeable
BB2102Interchangeable
interchangeable cross-reference
interchangeable
148-32004Interchangeable
interchangeable cross-reference
interchangeable
55065Interchangeable
interchangeable cross-reference
interchangeable
41-222-04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1643-43?
1643-43 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1643-43?
There are 14 known substitutes for 1643-43: 10164395, 4914, BB2102 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1643-43?
1643-43 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-200-9983. 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