The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-856-6501, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Viking Technologies, Ltd.. Government technical data includes 29 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-856-6501 |
| Primary Part Number | 184B00127-00 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Maximum Running Torque | 2.40 INCH-OUNCES IN |
| Body Diameter | 1.750 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Lateral Runout | 0.003 INCHES IN |
| Electrical Resistance Per Section | 2.0 KILOHMS ALL SECTIONS |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 105.0 ALL SECTIONS |
| Section Quantity | 2 |
| Shaft Diameter | 0.2497 INCHES MAXIMUM IN |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 ALL SECTIONS |
| Shaft End Play | 0.005 INCHES IN |
| Overall Diameter | 1.937 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 3.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -70.0 TO 70.0 ALL SECTIONS |
| Terminal Location | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.812 INCHES NOMINAL IN |
| Body Length | 2.089 INCHES NOMINAL IN |
| Shaft Runout | 0.001 INCHES IN |
| Power Dissipation Rating Per Section in Watts | 5.0 FREE AIR ALL SECTIONS |
| Effective Electrical Rotation in Deg Angular Rotation | 1080.0 NOMINAL |
| Pilot Diameter Runout | 0.002 INCHES IN |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| 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 |
|---|---|
| 184B00127-00 | Viking Technologies, Ltd. (USA) |
| 3600-1504 | Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA) |
| Reference | Meaning |
|---|---|
| 830-2000 | 5/9 Secondary reference IV-Electronic Klaus Vespermann Kg |
| 830-11202 | 5/9 Secondary reference IV-Electronic Klaus Vespermann Kg |
| 830-2000 | 5/9 Secondary reference Vishay Sprague Inc |
| 184B00127-00 | 3/9 Design control — primary reference Pax Mfg Corp Pax Electronics Div |
| 830-11202 | 5/9 Secondary reference Vishay Sprague Inc |
NSN 5905-00-856-6501 is a Resistor,variable,wire Wound,pre, manufactured by Viking Technologies, Ltd., classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-856-6501 has 2 manufacturer part numbers on file: 184B00127-00 (Viking Technologies, Ltd.), 3600-1504 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan).
2 possible matches (shared part number, not a government interchangeability claim): 6840-00-880-3824, 1670-01-532-6468. Verify interchangeability with system specifications before substitution.
Key specifications for 184B00127-00: Maximum Running Torque: 2.40 INCH-OUNCES IN; Body Diameter: 1.750 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Lateral Runout: 0.003 INCHES 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.