The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-671-8203, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-671-8203 |
| Primary Part Number | 1857346 |
| 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 |
| Body Diameter | 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN |
| Lateral Runout | 0.002 INCHES IN |
| Electrical Resistance Per Section | 36.000 KILOHMS ALL SECTIONS |
| Mounting Lip Depth | 0.0880 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM IN |
| Undercut Width | 0.0730 INCHES NOMINAL IN |
| Section Quantity | 2 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Undercut Diameter | 1.625 INCHES MAXIMUM IN |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -1.00 TO 1.00 ALL SECTIONS |
| Overall Diameter | 2.219 INCHES MAXIMUM IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 1.00 INCH-OUNCES IN |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 1.7450 INCHES MINIMUM AND 1.7550 INCHES MAXIMUM IN |
| Features Provided | NONMETALLIC SHAFT |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.662 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN |
| Pilot Diameter | 1.5610 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM IN |
| Body Length | 2.094 INCHES MAXIMUM IN |
| Shaft Runout | 0.001 INCHES IN |
| Pilot Length | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 3.0 FREE AIR ALL SECTIONS |
| Effective Electrical Rotation in Deg Angular Rotation | 360.0 NOMINAL |
| Pilot Diameter Runout | 0.00200 INCHES IN |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | CONTINUOUS MOTION |
| 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 |
|---|---|
| 1857346 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 20W2-1636 | Servo Instrument Corporation (USA) |
| Reference | Meaning |
|---|---|
| P693276 | 5/9 Secondary reference U.S. Government activity |
| 1012336 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| P693276 | 5/1 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5905-00-671-8203 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 5905-00-671-8203 has 2 manufacturer part numbers on file: 1857346 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 20W2-1636 (Servo Instrument Corporation).
Key specifications for 1857346: Body Diameter: 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN; Lateral Runout: 0.002 INCHES IN; Electrical Resistance Per Section: 36.000 KILOHMS ALL SECTIONS; Mounting Lip Depth: 0.0880 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM IN. 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.