The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-303-6729, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bourns, Inc. Dba Bourns Sensor Controls. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-303-6729 |
| Primary Part Number | 3551H-1-502 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bourns, Inc. Dba Bourns Sensor Controls |
| Status | ACTIVE |
| Pilot Diameter | 0.6250 INCHES MAXIMUM IN |
| Shaft Runout | 0.001 INCHES IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Pilot Diameter Runout | 0.0015 INCHES IN |
| Shaft Radial Play | 0.002 INCHES IN |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Maximum Running Torque | 0.50 INCH-OUNCES IN |
| Lateral Runout | 0.003 INCHES IN |
| Electrical Resistance Per Section | 5.0 KILOHMS SINGLE SECTION |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Section Quantity | 1 |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Shaft End Play | 0.003 INCHES IN |
| Maximum Starting Torque | 0.50 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -100.0 TO 100.0 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 |
|---|---|
| 3551H-1-502 PRIMARY | Bourns, Inc. Dba Bourns Sensor Controls (USA) |
| Reference | Meaning |
|---|---|
| 3551H-1-502 | 5/9 Secondary reference Bourns Inc |
NSN 5905-01-303-6729 is a Resistor,variable,wire Wound,pre, manufactured by Bourns, Inc. Dba Bourns Sensor Controls, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-303-6729 has 1 manufacturer part number on file: 3551H-1-502 (Bourns, Inc. Dba Bourns Sensor Controls).
Key specifications for 3551H-1-502: Pilot Diameter: 0.6250 INCHES MAXIMUM IN; Shaft Runout: 0.001 INCHES IN; Pilot Length: 0.0620 INCHES NOMINAL IN; Pilot Diameter Runout: 0.0015 INCHES IN. 15 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.