The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-752-6737, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Servo Instrument Corporation. Government technical data includes 28 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-752-6737 |
| Primary Part Number | 17WB2-2175 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Servo Instrument Corporation |
| Status | ACTIVE |
| Body Diameter | 0.880 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 200.000 OHMS ALL SECTIONS |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 100.0 SINGLE SECTION |
| Section Quantity | 2 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| First Flat Length | 0.250 INCHES NOMINAL IN |
| Mounting Method | CLAMP RING(S) AND LOCKING BUSHING |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -70.0 TO 70.0 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| Features Provided | SHAFT SEAL |
| Shaft Style | ROUND, FLATTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.690 INCHES NOMINAL IN |
| Body Length | 0.750 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 320.0 NOMINAL |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 ALL SECTIONS |
| Terminal Type and Quantity | 6 SOLDER STUD |
| Rotary Actuator Travel in Angular Deg | 320.0 NOMINAL |
| Flat Height | 0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Mounting Bushing Length | 0.375 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 25.0 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 |
|---|---|
| 17WB2-2175 | Servo Instrument Corporation (USA) |
| 55-42-000-3144 | Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments (USA) |
| Reference | Meaning |
|---|---|
| RT7-8-231-21 | 5/9 Secondary reference U.S. Government activity |
| 1JC1503H27 | 3/2 Design control — primary reference U.S. Government activity |
| RT7-8-231-21 | 5/9 Secondary reference Data Instruments Inc |
NSN 5905-00-752-6737 is a Resistor,variable,nonwire Wound,, manufactured by Servo Instrument Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-752-6737 has 2 manufacturer part numbers on file: 17WB2-2175 (Servo Instrument Corporation), 55-42-000-3144 (Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments).
Key specifications for 17WB2-2175: Body Diameter: 0.880 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 200.000 OHMS ALL SECTIONS; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 100.0 SINGLE SECTION. 28 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.