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Technical Data Sheet

178M4 — Technical Data Sheet

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— · 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.968 INCHES NOMINAL IN, shaft_style: ROUND, shaft_length: 1.000 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT, shaft_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-374-6078, 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
178M4
NSN: 2530-00-374-6078
FSC: 2530
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.968 INCHES NOMINAL IN
shaft_styleROUND
shaft_length1.000 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodSTANDARD BUSHING
section_quantity2
terminal_locationLOWER ADJACENT SIDE TWO ROWS LOCATION NOT OTHERWISE SPECIFIED
maximum_stop_torque4.00 INCH-OUNCES IN
reliability_indicatorNOT ESTABLISHED
maximum_running_torque0.50 INCH-OUNCES IN
NSN2530-00-374-6078
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 178M4 MFR RESISTOR,VARIABLE,WIRE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
C532Interchangeable
interchangeable cross-reference
interchangeable
110165Interchangeable
interchangeable cross-reference
interchangeable
RSS5-106-22Interchangeable
interchangeable cross-reference
interchangeable
CA532Interchangeable
interchangeable cross-reference
interchangeable
153403Interchangeable
Copyholder,typist's
interchangeable
5-79532Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 178M4?
178M4 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace 178M4?
There are 17 known substitutes for 178M4: C532, 110165, RSS5-106-22 and 14 more. Substitute compatibility should be verified for your specific system.
Is 178M4 still available?
178M4 is currently cancelled.
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