The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-258-6729, 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 - Mitchel Field. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-258-6729 |
| Primary Part Number | 735227 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Nonturn Device Location | AT 9 OCLOCK |
| Body Diameter | 1.266 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 500.0 OHMS SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.531 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Tap Location From Ccw Terminal Per Section in Ohms | 250.0 SINGLE SECTION |
| Mounting Method | STANDARD BUSHING |
| Fixed Tap Quantity Per Section | 1 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.750 INCHES NOMINAL IN |
| Body Length | 0.625 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Mounting Bushing Length | 0.375 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 |
|---|---|
| 735227 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 43MF-500OHMS PORM10PCT | Clarostat Sensors and Controls (USA) |
| Reference | Meaning |
|---|---|
| 43MF | 5/1 Secondary reference Fabco Generators, Inc. Dba Fabco Power |
| 252 | 5/9 Secondary reference Cts Corp of California Dba Cts Electronics Corp Paso Robles Div Electromechanical Group |
NSN 5905-00-258-6729 is a Resistor,variable,wire Wound,non, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-258-6729 has 2 manufacturer part numbers on file: 735227 (Lockheed Martin Corporation Div Rms - Mitchel Field), 43MF-500OHMS PORM10PCT (Clarostat Sensors and Controls).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-957-8398. Verify interchangeability with system specifications before substitution.
Key specifications for 735227: Nonturn Device Location: AT 9 OCLOCK; Body Diameter: 1.266 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 500.0 OHMS SINGLE SECTION. 23 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.