The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-938-4801, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-938-4801 |
| Primary Part Number | 7648736P012 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Body Diameter | 1.453 INCHES MAXIMUM IN |
| Lateral Runout | 0.002 INCHES IN |
| Electrical Resistance Per Section | 5.0 KILOHMS ALL SECTIONS |
| Mounting Lip Depth | 0.08800 INCHES MINIMUM AND 0.09800 INCHES MAXIMUM IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 ALL SECTIONS |
| Undercut Width | 0.07300 INCHES MINIMUM IN |
| Section Quantity | 2 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Shaft Bearing Type | BALL |
| Undercut Diameter | 1.315 INCHES MAXIMUM IN |
| Function Characteristic Per Section | ALL SECTIONS EQUATION |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.05 TO 0.05 1ST SECTION AND -0.10 TO 0.10 2ND SECTION |
| Overall Diameter | 1.709 INCHES NOMINAL IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.70 INCH-OUNCES IN |
| Terminal Location | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE |
| Mounting Lip Diameter | 1.43200 INCHES MINIMUM AND 1.44200 INCHES MAXIMUM IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN |
| Pilot Diameter | 1.31150 INCHES MINIMUM AND 1.31200 INCHES MAXIMUM IN |
| Body Length | 1.800 INCHES MAXIMUM IN |
| Shaft Runout | 0.001 INCHES IN |
| Pilot Length | 0.12700 INCHES MINIMUM AND 0.13700 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR ALL SECTIONS |
| Effective Electrical Rotation in Deg Angular Rotation | 350.0 NOMINAL |
| Pilot Diameter Runout | 0.00100 INCHES IN |
| Reliability Indicator | NOT ESTABLISHED |
| 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 |
|---|---|
| 61690A | General Dynamics Motion Control Llc (USA) |
| 7648736P012 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 61690 | 5/9 Secondary reference General Dynamics Motion Control Llc |
NSN 5905-00-938-4801 is a Resistor,variable,nonwire Wound,, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-938-4801 has 2 manufacturer part numbers on file: 61690A (General Dynamics Motion Control Llc), 7648736P012 (Lockheed Martin Corporation Div Rms).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-261-7995, 5330-01-275-5257. Verify interchangeability with system specifications before substitution.
Key specifications for 7648736P012: Body Diameter: 1.453 INCHES MAXIMUM IN; Lateral Runout: 0.002 INCHES IN; Electrical Resistance Per Section: 5.0 KILOHMS ALL SECTIONS; Mounting Lip Depth: 0.08800 INCHES MINIMUM AND 0.09800 INCHES MAXIMUM IN. 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.