The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-121-2144, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bi Technologies Corporation Div Bi Technologies Corp.. Government technical data includes 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-121-2144 |
| Primary Part Number | 68WR2K |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bi Technologies Corporation Div Bi Technologies Corp. |
| Status | ACTIVE |
| Electrical Resistance Per Section | 2.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.090 INCHES NOMINAL IN |
| Body Style | RECTANGULAR |
| Terminal Length | 0.180 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Body Width | 0.245 INCHES MAXIMUM IN |
| Body Height | 0.375 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Maximum Starting Torque | 5.00 INCH-OUNCES IN |
| Terminal Location | REAR END |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.100 INCHES NOMINAL IN |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.060 INCHES NOMINAL IN |
| Body Length | 0.375 INCHES NOMINAL 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 |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 SINGLE SECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 68WR2K PRIMARY | Bi Technologies Corporation Div Bi Technologies Corp. (USA) |
| 803572-202 | Evans & Sutherland Computer Corp (USA) |
| 3299WDM3-202 | Bourns Inc (USA) |
| GR816HA202KW | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2100-3875 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 3299W1-2K | 5/9 Secondary reference U.S. Government activity |
| 382-1405-050 | 5/2 Secondary reference U.S. Government activity |
NSN 5905-01-121-2144 is a Resistor,variable,nonwire Wound,, manufactured by Bi Technologies Corporation Div Bi Technologies Corp., classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-121-2144 has 4 manufacturer part numbers on file: 68WR2K (Bi Technologies Corporation Div Bi Technologies Corp.), 803572-202 (Evans & Sutherland Computer Corp), 3299WDM3-202 (Bourns Inc), GR816HA202KW (Northrop Grumman Systems Corporation).
Key specifications for 68WR2K: Electrical Resistance Per Section: 2.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION; Section Quantity: 1; Shaft Diameter: 0.090 INCHES NOMINAL IN. 23 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.