The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-549-9944, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Shallco, Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-549-9944 |
| Primary Part Number | WE139-3 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Shallco, Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 |
| Mounting Method | THREADED HOLE(S) |
| 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 |
|---|---|
| WE139-3 | Shallco, Inc (USA) |
| Reference | Meaning |
|---|---|
| KS9456 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| ESL660124ISSUE2 | 5/9 Secondary reference American Telephone and Telegraph Co |
| WE139-3 | 5/9 Secondary reference Meggitt (new Hampshire), Inc |
| KS9456 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| ESL660124ISSUE2 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
NSN 5905-00-549-9944 is a Resistor,variable,wire Wound,non, manufactured by Shallco, Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-549-9944 has 1 manufacturer part number on file: WE139-3 (Shallco, Inc).
Key specifications for WE139-3: Overall Height: 3.313 INCHES NOMINAL IN; Mounting Facility Quantity: 2; Mounting Method: THREADED HOLE(S); Overall Length: 2.968 INCHES NOMINAL IN. 2 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.