The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-021-1973, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-021-1973 |
| Primary Part Number | 9163938 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Electrical Resistance Per Section | 200.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Body Style | RECTANGULAR W/MOUNTING HOLES/SLOTS |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Width | 0.360 INCHES NOMINAL IN |
| Body Height | 0.360 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.086 INCHES NOMINAL IN |
| Terminal Location | REAR-BOTTOM LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | NONMETALLIC SHAFT |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 1.000 INCHES NOMINAL IN |
| Shaft Length | 0.030 INCHES NOMINAL IN |
| Body Length | 1.340 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.25 FREE AIR SINGLE SECTION |
| Reliability Indicator | NOT ESTABLISHED |
| Resistance Tolerance Per Section in Percent | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 WIRE LEAD |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 50.0 SINGLE SECTION |
| 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 |
|---|---|
| 9163938 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 3059L1-204 | 5/9 Secondary reference U.S. Government activity |
| 235L1-204 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-00-021-1973 is a Resistor,variable,wire Wound,non, manufactured by Us Army Aviation and Missile Command, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-021-1973 has 1 manufacturer part number on file: 9163938 (Us Army Aviation and Missile Command).
2 possible matches (shared part number, not a government interchangeability claim): 5905-00-837-3584, 5905-01-073-9147. Verify interchangeability with system specifications before substitution.
Key specifications for 9163938: Overall Height: 0.360 INCHES NOMINAL IN; Electrical Resistance Per Section: 200.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION; Section Quantity: 1. 22 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.