The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-738-4073, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Dynamics Motion Control Llc. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 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 | 5905-00-738-4073 |
| Primary Part Number | 20973 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | General Dynamics Motion Control Llc |
| Status | ACTIVE |
| Body Diameter | 2.000 INCHES NOMINAL IN |
| Lateral Runout | 0.005 INCHES IN |
| Electrical Resistance Per Section | 2.0 KILOHMS 1ST SECTION |
| Electrical Resistance Per Section | 5.0 KILOHMS 2ND SECTION |
| Mounting Lip Depth | 0.0600 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 49.0 ALL SECTIONS |
| Undercut Width | 0.0600 INCHES NOMINAL IN |
| Section Quantity | 2 |
| Shaft Diameter | 0.1247 INCHES MAXIMUM IN |
| Undercut Diameter | 1.875 INCHES NOMINAL IN |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -1.00 TO 1.00 ALL SECTIONS |
| Shaft End Play | 0.004 INCHES IN |
| Overall Diameter | 2.125 INCHES MAXIMUM IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.30 INCH-OUNCES IN |
| Terminal Location | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 2.0000 INCHES NOMINAL IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.312 INCHES NOMINAL IN |
| Pilot Diameter | 1.8750 INCHES NOMINAL IN |
| Body Length | 1.446 INCHES NOMINAL IN |
| Shaft Runout | 0.001 INCHES IN |
| Pilot Length | 0.0600 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR ALL SECTIONS |
| Effective Electrical Rotation in Deg Angular Rotation | 340.0 NOMINAL |
| Pilot Diameter Runout | 0.001 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5905-00-738-4073 is a Resistor,variable,nonwire Wound,, manufactured by General Dynamics Motion Control Llc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-738-4073 has 2 manufacturer part numbers on file: 10127063 (Us Army Aviation and Missile Command), 20973 (General Dynamics Motion Control Llc).
4 possible matches (shared part number, not a government interchangeability claim): 5340-01-149-5273, 4720-01-246-8039, 3120-01-296-6507. Verify interchangeability with system specifications before substitution.
Key specifications for 20973: Body Diameter: 2.000 INCHES NOMINAL IN; Lateral Runout: 0.005 INCHES IN; Electrical Resistance Per Section: 2.0 KILOHMS 1ST SECTION; Electrical Resistance Per Section: 5.0 KILOHMS 2ND SECTION. 29 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.