The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-477-8253, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-477-8253 |
| Primary Part Number | 2919973 |
| 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 | 8.00 INCH-OUNCES IN |
| Body Diameter | 0.970 INCHES MAXIMUM IN |
| Lateral Runout | 0.002 INCHES IN |
| Electrical Resistance Per Section | 1.0 KILOHMS ALL SECTIONS |
| Mounting Lip Depth | 0.0620 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 105.0 ALL SECTIONS |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Section Quantity | 2 |
| Shaft Diameter | 0.2496 INCHES MINIMUM AND 0.2498 INCHES MAXIMUM IN |
| Undercut Diameter | 0.781 INCHES MAXIMUM IN |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.25 TO 0.25 ALL SECTIONS |
| Shaft End Play | 0.002 INCHES IN |
| Overall Diameter | 1.079 INCHES NOMINAL IN |
| Tap Location From Ccw Terminal Per Section in Ohms | 500.0 ALL SECTIONS |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 8.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 ALL SECTIONS |
| Fixed Tap Quantity Per Section | 1 ALL SECTIONS |
| Terminal Location | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 0.8750 INCHES NOMINAL IN |
| Features Provided | NONMETALLIC SHAFT |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.792 INCHES NOMINAL IN |
| Pilot Diameter | 0.7500 INCHES NOMINAL IN |
| Body Length | 1.250 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 |
| Part Number | Manufacturer |
|---|---|
| 134WS258 | Honeywell International Inc Dba Honeywell International Div New England Instrument (nei) (USA) |
| 561950 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| RCX18-01X2-4640 | Sensor Systems, L.l.c. Dba Sensor Systems Llc (USA) |
| 2919973 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5905-00-477-8253 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 5905-00-477-8253 has 4 manufacturer part numbers on file: 134WS258 (Honeywell International Inc Dba Honeywell International Div New England Instrument (nei)), 561950 (Lockheed Martin Corporation Div Rms - Mitchel Field), RCX18-01X2-4640 (Sensor Systems, L.l.c. Dba Sensor Systems Llc), 2919973 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2919973: Maximum Running Torque: 8.00 INCH-OUNCES IN; Body Diameter: 0.970 INCHES MAXIMUM IN; Lateral Runout: 0.002 INCHES IN; Electrical Resistance Per Section: 1.0 KILOHMS ALL SECTIONS. 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.