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Technical Data Sheet
PartsTable / MRO / 45-2501K 7/8 IN. SHAFT

45-2501K 7/8 IN. SHAFT — Technical Data Sheet

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— · 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,NONWIRE WOUND,. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.437 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN, actuator_type: SINGLE SHAFT, body_diameter: 0.890 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System under NSN 5905-00-577-9748, 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→ 45-2501K 7/8 IN. SHAFT
NSN: 5905-00-577-9748
FSC: 5905
CAGE: 11237 — CTS CORP OF CALIFORNIA DBA CTS ELECTRONICS CORP PASO ROBLES DIV ELECTROMECHANICAL GROUP (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.437 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
shaft_styleROUND, SLOTTED
shaft_length0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
actuator_typeSINGLE SHAFT
body_diameter0.890 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
overall_length1.281 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
shaft_diameter0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
mounting_methodSTANDARD BUSHING
overall_diameter1.274 INCHES MAXIMUM IN
section_quantity1
terminal_locationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
NSN5905-00-577-9748
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 45-2501K 7/8 IN. SHAFT MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
MAXIMUM STOP TORQUE: 128.00 INCH-OUNCES IN
•
ACTUATOR TYPE: SINGLE SHAFT
•
POWER DISSIPATION RATING PER SECTION IN WATTS: 1.0 FREE AIR SINGLE SECTION
•
TEST DATA DOCUMENT: 81349-MIL-R-94 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER: 70.0 SINGLE SECTION
•
SPECIFICATION/STANDARD DATA: 81349-MIL-R-94/4 GOVERNMENT SPECIFICATION
•
RESISTANCE TOLERANCE PER SECTION IN PERCENT: -10.0 TO 10.0 SINGLE SECTION
•
TERMINAL LOCATION: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
TECHNICAL CHARACTERISTICS
MAXIMUM STOP TORQUE128.00 INCH-OUNCES IN
ACTUATOR TYPESINGLE SHAFT
POWER DISSIPATION RATING PER SECTION IN WATTS1.0 FREE AIR SINGLE SECTION
TEST DATA DOCUMENT81349-MIL-R-94 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER70.0 SINGLE SECTION
SPECIFICATION/STANDARD DATA81349-MIL-R-94/4 GOVERNMENT SPECIFICATION
RESISTANCE TOLERANCE PER SECTION IN PERCENT-10.0 TO 10.0 SINGLE SECTION
TERMINAL LOCATIONRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
NONTURN DEVICE RADIUS0.422 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
SCREW THREAD DIAMETER0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
95-0388InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
830303InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
21098InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6879HInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
324A122InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
352-1639InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45-2501K 7/8 IN. SHAFT?
45-2501K 7/8 IN. SHAFT is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 45-2501K 7/8 IN. SHAFT?
There are 34 known substitutes for 45-2501K 7/8 IN. SHAFT: 95-0388, 830303, 21098 and 31 more. Substitute compatibility should be verified for your specific system.
Is 45-2501K 7/8 IN. SHAFT still available?
45-2501K 7/8 IN. SHAFT is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: October 2026