The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-987-5507, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-987-5507 |
| Primary Part Number | 2303275 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Maximum Running Torque | 0.60 INCH-OUNCES IN |
| Body Diameter | 1.438 INCHES NOMINAL IN |
| Lateral Runout | 0.002 INCHES IN |
| Electrical Resistance Per Section | 50.0 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0930 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Undercut Width | 0.0730 INCHES MINIMUM IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.2497 INCHES MAXIMUM IN |
| Undercut Diameter | 1.312 INCHES MAXIMUM IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.15 TO 0.15 SINGLE SECTION |
| Shaft End Play | 0.005 INCHES IN |
| Overall Diameter | 1.960 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 1.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Fixed Tap Quantity Per Section | 3 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 1.4380 INCHES NOMINAL IN |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | DOUBLE ENDED SHAFT |
| Shaft Length | 0.688 INCHES NOMINAL IN |
| Pilot Diameter | 1.3120 INCHES MAXIMUM IN |
| Body Length | 1.040 INCHES MAXIMUM IN |
| Shaft Runout | 0.001 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5905-00-987-5507 is a Resistor,variable,wire Wound,pre, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-987-5507 has 2 manufacturer part numbers on file: 2303275 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2303275 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2303275: Maximum Running Torque: 0.60 INCH-OUNCES IN; Body Diameter: 1.438 INCHES NOMINAL IN; Lateral Runout: 0.002 INCHES IN; Electrical Resistance Per Section: 50.0 KILOHMS SINGLE 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.