The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-957-9129, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-957-9129 |
| Primary Part Number | AP05-C720 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments |
| Status | ACTIVE |
| Nonturn Device Location | AT 6 OCLOCK |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 5.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 100.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.187 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| First Flat Length | 0.390 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING |
| Terminal Location | REAR END LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND, FLATTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.760 INCHES NOMINAL IN |
| Body Length | 0.625 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Screw Thread Diameter | 0.250 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 |
| Terminal Type and Quantity | 3 SOLDER STUD |
| Flat Height | 0.098 INCHES NOMINAL IN |
| Mounting Bushing Length | 0.250 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 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 |
|---|---|
| AP05-C720 | Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments (USA) |
| 55WS235-3 | Honeywell International Inc Dba Honeywell International Div New England Instrument (nei) (USA) |
| 08W1-2257 | Servo Instrument Corporation (USA) |
| Reference | Meaning |
|---|---|
| 501506-3 | 3/2 Design control — primary reference U.S. Government activity |
| AP05C720 | 5/9 Secondary reference Ace Electronics Associates Inc |
NSN 5905-00-957-9129 is a Resistor,variable,wire Wound,non, manufactured by Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-957-9129 has 3 manufacturer part numbers on file: AP05-C720 (Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments), 55WS235-3 (Honeywell International Inc Dba Honeywell International Div New England Instrument (nei)), 08W1-2257 (Servo Instrument Corporation).
Key specifications for AP05-C720: Nonturn Device Location: AT 6 OCLOCK; Body Diameter: 0.500 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 5.0 KILOHMS SINGLE SECTION. 25 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.