The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-651-1673, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-651-1673 |
| Primary Part Number | 1225971 |
| 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 | 0.50 INCH-OUNCES IN |
| Body Diameter | 1.750 INCHES MAXIMUM IN |
| Electrical Resistance Per Section | 25.000 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0930 INCHES NOMINAL IN |
| Undercut Width | 0.0730 INCHES NOMINAL IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Undercut Diameter | 1.562 INCHES MAXIMUM IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.30 TO 0.30 SINGLE SECTION |
| Overall Diameter | 2.000 INCHES MAXIMUM IN |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.60 INCH-OUNCES IN |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 1.7500 INCHES NOMINAL IN |
| Features Provided | NONMETALLIC SHAFT |
| Shaft Style | ROUND |
| Actuator Type | DOUBLE ENDED SHAFT |
| Shaft Length | 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Pilot Diameter | 1.5610 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM IN |
| Body Length | 0.880 INCHES MAXIMUM IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 3.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 354.0 NOMINAL |
| Pilot Diameter Runout | 0.00100 INCHES IN |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | CONTINUOUS MOTION |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| 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 |
|---|---|
| 1600-970 | Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA) |
| 1225971 | Honeywell International Inc Dba Honeywell International Div New England Instrument (nei) (USA) |
| 28W1-2180 | Servo Instrument Corporation (USA) |
| 67-156 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1225971 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 200-551 | Vishay Sprague Inc (USA) |
| Reference | Meaning |
|---|---|
| 200-551 | 5/9 Secondary reference IV-Electronic Klaus Vespermann Kg |
NSN 5905-00-651-1673 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 5905-00-651-1673 has 6 manufacturer part numbers on file: 1600-970 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 1225971 (Honeywell International Inc Dba Honeywell International Div New England Instrument (nei)), 28W1-2180 (Servo Instrument Corporation), 67-156 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1225971 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 1 more.
5 possible matches (shared part number, not a government interchangeability claim): 5910-01-141-9318, 5930-01-512-1958, 5977-01-593-7217. Verify interchangeability with system specifications before substitution.
Key specifications for 1225971: Maximum Running Torque: 0.50 INCH-OUNCES IN; Body Diameter: 1.750 INCHES MAXIMUM IN; Electrical Resistance Per Section: 25.000 KILOHMS SINGLE SECTION; Mounting Lip Depth: 0.0930 INCHES NOMINAL 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.