The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-149-8591, 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 24 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5905-00-149-8591 |
| Primary Part Number | 23W1-2951 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Servo Instrument Corporation |
| Status | ACTIVE |
| Body Diameter | 1.468 INCHES MAXIMUM IN |
| Mounting Lip Depth | 0.0930 INCHES NOMINAL IN |
| Undercut Width | 0.0730 INCHES MINIMUM IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.2495 INCHES MINIMUM AND 0.2499 INCHES MAXIMUM IN |
| Undercut Diameter | 1.312 INCHES MAXIMUM IN |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Overall Diameter | 1.860 INCHES NOMINAL IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 1.00 INCH-OUNCES IN |
| Fixed Tap Quantity Per Section | 2 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 1.4270 INCHES MINIMUM AND 1.4420 INCHES MAXIMUM IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Pilot Diameter | 1.3120 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM IN |
| Body Length | 0.875 INCHES MAXIMUM IN |
| Shaft Runout | 0.001 INCHES IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Bearing Type | BEARING SHAFT |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | STOPS |
| Terminal Type and Quantity | 5 TURRET |
| 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 |
|---|---|
| 23W1-2951 | Servo Instrument Corporation (USA) |
| Reference | Meaning |
|---|---|
| 62911002-1 | 5/9 Secondary reference U.S. Government activity |
| 62911002-1 | 3/9 Design control — primary reference Moog Inc. Dba Moog Components Group |
| PVR15-K426 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-00-149-8591 is a Resistor,variable,wire Wound,non, manufactured by Servo Instrument Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-149-8591 has 1 manufacturer part number on file: 23W1-2951 (Servo Instrument Corporation).
Key specifications for 23W1-2951: Body Diameter: 1.468 INCHES MAXIMUM IN; Mounting Lip Depth: 0.0930 INCHES NOMINAL IN; Undercut Width: 0.0730 INCHES MINIMUM IN; Section Quantity: 1. 24 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.