The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-078-9854, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-078-9854 |
| Primary Part Number | 12273279 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Body Diameter | 2.000 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 5000.0 OHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0930 INCHES NOMINAL IN |
| Undercut Width | 0.0730 INCHES NOMINAL IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.2500 INCHES NOMINAL IN |
| Undercut Diameter | 1.875 INCHES NOMINAL IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 2.0000 INCHES NOMINAL IN |
| Shaft Style | ROUND |
| Actuator Type | DUAL CONCENTRIC |
| Shaft Length | 0.500 INCHES NOMINAL IN |
| Pilot Diameter | 1.8750 INCHES NOMINAL IN |
| Body Length | 0.910 INCHES NOMINAL IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TURRET |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 32C1-2878 | Servo Instrument Corporation (USA) |
| 12273279 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 12273279 | General Dynamics Land Systems Inc. Div Gdls Global Llc (USA) |
| Reference | Meaning |
|---|---|
| 1720-1155-1 | 5/9 Secondary reference Bei Sensors & Systems Company, Inc. Dba Bei Duncan |
NSN 5905-01-078-9854 is a Resistor,variable,wire Wound,pre, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-078-9854 has 3 manufacturer part numbers on file: 32C1-2878 (Servo Instrument Corporation), 12273279 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 12273279 (General Dynamics Land Systems Inc. Div Gdls Global Llc).
Key specifications for 12273279: Body Diameter: 2.000 INCHES NOMINAL IN; Electrical Resistance Per Section: 5000.0 OHMS SINGLE SECTION; Mounting Lip Depth: 0.0930 INCHES NOMINAL IN; Undercut Width: 0.0730 INCHES NOMINAL IN. 21 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.