PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M22/09-00121FDResistor,variable,wire Wound,non

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-997-1052 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-997-1052 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-997-1052. Primary manufacturer part number: M22/09-00121FD.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Nonturn Device Location: AT 12 OCLOCK
  • Mounting Method: STANDARD BUSHING
  • Shaft Style: ROUND, FLATTED
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 390.0 SINGLE SECTION
  • Shaft Length: 0.828 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
  • Maximum Starting Torque: 48.00 INCH-OUNCES IN
  • Body Length: 2.030 INCHES MAXIMUM IN
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-997-1052, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-997-1052
Primary Part NumberM22/09-00121FD
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Nonturn Device LocationAT 12 OCLOCK
Mounting MethodSTANDARD BUSHING
Shaft StyleROUND, FLATTED
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power390.0 SINGLE SECTION
Shaft Length0.828 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
Maximum Starting Torque48.00 INCH-OUNCES IN
Body Length2.030 INCHES MAXIMUM IN
Power Dissipation Rating Per Section in Watts150.0 HEAT SINK SINGLE SECTION
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Specification/standard Data81349-MIL-R-22/9 GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-R-22 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.).
Actuator Travel Control FeatureSTOPS
Ambient Temp in Deg Celsius Per Section at Full Rated Power25.0 SINGLE SECTION
Electrical Resistance Per Section35.0 OHMS SINGLE SECTION
Terminal Type and Quantity3 TAB, SOLDER LUG
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Screw Thread Diameter0.375 INCHES NOMINAL IN
Screw Thread Series DesignatorUNEF
Actuator TypeSINGLE SHAFT
First Flat Length0.344 INCHES NOMINAL IN
Shaft Diameter0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Overall Diameter4.470 INCHES MAXIMUM IN
Nonturn Device Radius0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Rotary Actuator Travel in Angular Deg290.0 MINIMUM AND 315.0 MAXIMUM
Section Quantity1
Flat Height0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
Maximum Stop Torque240.00 INCH-OUNCES IN
Mounting Bushing Length0.328 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6105-01-306-46180533 INTERCHANGEABLE
Motor,alternating Current
Magnetek Universal Electric Co
6750-01-379-9747 INTERCHANGEABLE
Paper,photographic
Cross-Reference Index
Part NumberManufacturer
M22/09-00121FD Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR22-9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-22/9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
0533 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
RP301FD350KK Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RLS35R Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
L-3-F2 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
Related Parts
6105-01-306-4618INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
0533
6750-01-379-9747INTERCHANGEABLE
PAPER,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5905-00-997-1052?

NSN 5905-00-997-1052 is a Resistor,variable,wire Wound,non, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-997-1052?

NSN 5905-00-997-1052 has 7 cross-referenced part numbers: M22/09-00121FD (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILR22-9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-22/9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 0533 (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing), RP301FD350KK (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5905-00-997-1052?

There are 2 known substitutes for 5905-00-997-1052: 6105-01-306-4618, 6750-01-379-9747. Verify interchangeability with system specifications before substitution.

What are the specifications of M22/09-00121FD?

Key specifications for M22/09-00121FD: Overall Length: 2.952 INCHES MAXIMUM IN; Nonturn Device Location: AT 12 OCLOCK; Mounting Method: STANDARD BUSHING; Shaft Style: ROUND, FLATTED. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-997-1052 still in active supply?

NSN 5905-00-997-1052 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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