The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-137-6077, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vishay Sprague Inc. Government technical data includes 30 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-137-6077 |
| Primary Part Number | 18M684 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Vishay Sprague Inc |
| Status | ACTIVE |
| Maximum Running Torque | 1.50 INCH-OUNCES IN |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 5.000 KILOHMS 1ST SECTION AND 2.500 MEGOHMS 2ND SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 ALL SECTIONS |
| Section Quantity | 2 |
| Shaft Diameter | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Terminal Length | 0.515 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 1.50 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -150.0 TO 150.0 ALL SECTIONS |
| Terminal Location | TERMINALS RIGHT SIDE AND BOTTOM |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Body Length | 1.072 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR 1ST SECTION AND 0.25 FREE AIR 2ND SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 300.0 NOMINAL |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 ALL SECTIONS |
| Terminal Type and Quantity | 3 WIRE LOOP AND 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 240.0 NOMINAL |
| Mounting Bushing Length | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 ALL SECTIONS |
| 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 |
|---|---|
| 18M684 | Vishay Sprague Inc (USA) |
| 81C2D-E20-BA0/002 | Bourns, Inc. Dba Bourns Sensor Controls (USA) |
| Reference | Meaning |
|---|---|
| 16M138 | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
| 311-1533-00 | 3/2 Design control — primary reference U.S. Government activity |
| 81C2D-E20-BA0002 | 5/9 Secondary reference Bourns Inc |
NSN 5905-01-137-6077 is a Resistor,variable,nonwire Wound,, manufactured by Vishay Sprague Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-137-6077 has 2 manufacturer part numbers on file: 18M684 (Vishay Sprague Inc), 81C2D-E20-BA0/002 (Bourns, Inc. Dba Bourns Sensor Controls).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-183-4158. Verify interchangeability with system specifications before substitution.
Key specifications for 18M684: Maximum Running Torque: 1.50 INCH-OUNCES IN; Body Diameter: 0.500 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 5.000 KILOHMS 1ST SECTION AND 2.500 MEGOHMS 2ND SECTION. 30 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.