The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-028-1638, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-01-028-1638 |
| Primary Part Number | 2100-3001 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Maximum Running Torque | 6.00 INCH-OUNCES IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 5.000 MEGOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 120.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY DELICATE |
| Body Style | RECTANGULAR W/BUSHING |
| Terminal Length | 0.125 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING AND TERMINAL |
| Body Width | 0.500 INCHES NOMINAL IN |
| Body Height | 0.618 INCHES NOMINAL IN |
| Maximum Starting Torque | 6.00 INCH-OUNCES IN |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS |
| 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 | 0.250 INCHES NOMINAL IN |
| Specification/standard Data | 28480-B2100-3001-1 MANUFACTURERS SPECIFICATION |
| Body Length | 0.557 INCHES NOMINAL IN |
| Maximum Stop Torque | 48.00 INCH-OUNCES IN |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.25 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 295.0 NOMINAL |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| 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 |
|---|---|
| 2100-3001 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 2100-3001 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 2100-3001 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 63MB15-5ML | C/1 Advisory reference — outside the item-of-supply concept Clarostat Sensors and Controls |
NSN 5905-01-028-1638 is a Resistor,variable,nonwire Wound,, manufactured by Keysight Technologies Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-028-1638 has 1 manufacturer part number on file: 2100-3001 (Keysight Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 3920-01-481-4410. Verify interchangeability with system specifications before substitution.
Key specifications for 2100-3001: Maximum Running Torque: 6.00 INCH-OUNCES IN; Overall Height: 0.743 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 5.000 MEGOHMS 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.