The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-877-9775, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Alliant Techsystems Operations Llc Div Defense Electronic Systems. Government technical data includes 29 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-877-9775 |
| Primary Part Number | 2603956 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Alliant Techsystems Operations Llc Div Defense Electronic Systems |
| Status | ACTIVE |
| Maximum Running Torque | 1.00 INCH-OUNCES IN |
| Body Diameter | 2.000 INCHES NOMINAL IN |
| Lateral Runout | 0.006 INCHES IN |
| Electrical Resistance Per Section | 5.0 KILOHMS 1ST SECTION AND 25.0 KILOHMS 2ND SECTION |
| Mounting Lip Depth | 0.09300 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 85.0 ALL SECTIONS |
| Section Quantity | 2 |
| Shaft Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Undercut Diameter | 1.875 INCHES MAXIMUM IN |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 ALL SECTIONS |
| Shaft End Play | 0.005 INCHES IN |
| Overall Diameter | 2.500 INCHES MAXIMUM IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 1.40 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 ALL SECTIONS |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 2.00000 INCHES NOMINAL IN |
| Features Provided | NONMETALLIC SHAFT |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.625 INCHES NOMINAL IN |
| Pilot Diameter | 1.87400 INCHES MINIMUM AND 1.87500 INCHES MAXIMUM IN |
| Body Length | 1.582 INCHES NOMINAL IN |
| Shaft Runout | 0.001 INCHES IN |
| Pilot Length | 0.06200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 3.5 FREE AIR ALL SECTIONS |
| Effective Electrical Rotation in Deg Angular Rotation | 354.0 NOMINAL |
| 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 |
|---|---|
| 2603956 PRIMARY | Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA) |
NSN 5905-00-877-9775 is a Resistor,variable,wire Wound,pre, manufactured by Alliant Techsystems Operations Llc Div Defense Electronic Systems, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-877-9775 has 1 manufacturer part number on file: 2603956 (Alliant Techsystems Operations Llc Div Defense Electronic Systems).
Key specifications for 2603956: Maximum Running Torque: 1.00 INCH-OUNCES IN; Body Diameter: 2.000 INCHES NOMINAL IN; Lateral Runout: 0.006 INCHES IN; Electrical Resistance Per Section: 5.0 KILOHMS 1ST SECTION AND 25.0 KILOHMS 2ND SECTION. 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.