The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-174-2155, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ohmite Holding, L.l.c. Dba Ohmite Manufacturing. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-174-2155 |
| Primary Part Number | A40829 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Ohmite Holding, L.l.c. Dba Ohmite Manufacturing |
| Status | ACTIVE |
| Nonturn Device Location | AT 6 OCLOCK |
| Body Diameter | 2.750 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 50.0 OHMS SINGLE SECTION |
| Switch Voltage Rating in Volts | 125.0 |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 340.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.500 INCHES NOMINAL IN |
| Fragility Factor | RUGGED |
| Switch Operating Position | START OF ROTATION |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Contact Arm Electrical Off Position | FULLY CCW |
| First Flat Length | 0.344 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | SWITCH |
| Shaft Style | ROUND, FLATTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.875 INCHES NOMINAL IN |
| Body Length | 2.500 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 75.0 FREE AIR SINGLE SECTION |
| Switch Type | ROTARY |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Switch Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY OPEN, BOTH POSITIONS MAINTAINED |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG AND 3 TAB W/SCREW |
| Flat Height | 0.219 INCHES NOMINAL IN |
| 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 |
|---|---|
| A40829 PRIMARY | Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA) |
NSN 5905-00-174-2155 is a Resistor,variable,wire Wound,non, manufactured by Ohmite Holding, L.l.c. Dba Ohmite Manufacturing, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-174-2155 has 1 manufacturer part number on file: A40829 (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing).
Key specifications for A40829: Nonturn Device Location: AT 6 OCLOCK; Body Diameter: 2.750 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 50.0 OHMS SINGLE SECTION. 30 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.