PartsTable
Technical Data Sheet
SC-443 ✓ 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,PRE. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 1.375 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.875 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT, body_diameter: 2.000 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-502-6418, 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 SC-443
NSN: 5905-00-502-6418
FSC: 5905
CAGE: 99971 — LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length1.375 INCHES MAXIMUM IN
shaft_styleROUND, SLOTTED
shaft_length0.875 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter2.000 INCHES MAXIMUM IN
overall_length2.250 INCHES NOMINAL IN
shaft_diameter0.250 INCHES MAXIMUM IN
shaft_end_play0.01500 INCHES IN
mounting_methodSTANDARD BUSHING
overall_diameter2.250 INCHES NOMINAL IN
section_quantity1
NSN5905-00-502-6418
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN SC-443 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
FEATURES PROVIDED: NONMETALLIC SHAFT
OVERALL DIAMETER: 2.250 INCHES NOMINAL IN
MAXIMUM STARTING TORQUE: 5.00 INCH-OUNCES IN
SCREW THREAD SERIES DESIGNATOR: UNEF
SHAFT RADIAL PLAY: 0.005 INCHES IN
FUNCTION CONFORMITY TOLERANCE PER SECTION: -0.50 TO 0.50 SINGLE SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG: 1080.0 NOMINAL
POWER DISSIPATION RATING PER SECTION IN WATTS: 3.0 FREE AIR SINGLE SECTION
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDNONMETALLIC SHAFT
OVERALL DIAMETER2.250 INCHES NOMINAL IN
MAXIMUM STARTING TORQUE5.00 INCH-OUNCES IN
SCREW THREAD SERIES DESIGNATORUNEF
SHAFT RADIAL PLAY0.005 INCHES IN
FUNCTION CONFORMITY TOLERANCE PER SECTION-0.50 TO 0.50 SINGLE SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG1080.0 NOMINAL
POWER DISSIPATION RATING PER SECTION IN WATTS3.0 FREE AIR SINGLE SECTION
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS-20.0 TO 20.0 SINGLE SECTION
FUNCTION CONFORMITY PER SECTIONSINGLE SECTION INDEPENDENT LINEARITY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
8302Interchangeable
interchangeable cross-reference
interchangeable
H0040162988Interchangeable
interchangeable cross-reference
interchangeable
1050Interchangeable
interchangeable cross-reference
interchangeable
B107.600Interchangeable
interchangeable cross-reference
interchangeable
B107.26Interchangeable
interchangeable cross-reference
interchangeable
SPB082-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SC-443?
SC-443 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace SC-443?
There are 16 known substitutes for SC-443: 8302, H0040162988, 1050 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SC-443?
SC-443 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-502-6418. This indicates validated use in U.S. government and defense supply chains.
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