The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-269-9022, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bourns Inc. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-269-9022 |
| Primary Part Number | 3299W-R27-253 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bourns Inc |
| Status | ACTIVE |
| Maximum Running Torque | 3.00 INCH-OUNCES IN |
| Electrical Resistance Per Section | 25.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.060 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | RECTANGULAR |
| Terminal Length | 0.180 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Body Width | 0.245 INCHES MAXIMUM IN |
| Body Height | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Maximum Starting Torque | 3.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -100.0 TO 100.0 SINGLE SECTION |
| Terminal Location | REAR END |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.100 INCHES NOMINAL IN |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.075 INCHES MAXIMUM IN |
| Body Length | 0.405 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR SINGLE SECTION |
| Reliability Indicator | NOT ESTABLISHED |
| Cubic Measure | 0.039 CUBIC INCHES |
| Actuator Travel Control Feature | CLUTCH |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| 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 |
|---|---|
| 3299W-R27-253 | Bourns Inc (USA) |
| Reference | Meaning |
|---|---|
| 68WR25-30A | 5/9 Secondary reference Bi Technologies Corporation Div Bi Technologies Corp. |
| 311-1897-00 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-01-269-9022 is a Resistor,variable,nonwire Wound,, manufactured by Bourns Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-269-9022 has 1 manufacturer part number on file: 3299W-R27-253 (Bourns Inc).
Key specifications for 3299W-R27-253: Maximum Running Torque: 3.00 INCH-OUNCES IN; Overall Height: 0.390 INCHES MAXIMUM IN; Electrical Resistance Per Section: 25.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION. 27 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.