The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-01-188-8963, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-01-188-8963 |
| Primary Part Number | M/L23190.12 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 6 |
| Fragility Factor | RUGGED |
| Mounting Method | UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.531 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | EW FORM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M/L23190.12 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 23190.1 | C/1 Advisory reference — outside the item-of-supply concept Ward Leonard Ct Llc |
| 23190-1 | 5/1 Secondary reference Ward Leonard Ct Llc |
NSN 5905-01-188-8963 is a Resistor,variable,wire Wound,non, manufactured by Ward Leonard Ct Llc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-188-8963 has 1 manufacturer part number on file: M/L23190.12 (Ward Leonard Ct Llc).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-480-8027. Verify interchangeability with system specifications before substitution.
Key specifications for M/L23190.12: Overall Height: 21.062 INCHES NOMINAL IN; Mounting Facility Quantity: 6; Fragility Factor: RUGGED; Mounting Method: UNTHREADED HOLE(S). 5 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.
NSN 5905-01-188-8963 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.