The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-01-331-2721, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lake Shore Systems, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 — Resistor (FSG 59) |
| Manufacturers | Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (CAGE 44655); Lake Shore Systems, Inc. (CAGE 34712) |
| Parameter | Value |
|---|---|
| NSN | 5905-01-331-2721 |
| Primary Part Number | 2A8-06831 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 64596 | Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA) |
| 2A8-06831 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 102225-443590 | C/1 Advisory reference — outside the item-of-supply concept Ohmite Holding, L.l.c. Dba Ohmite Manufacturing |
| 503-02697 ITEM 79 | 5/1 Secondary reference Lake Shore Systems, Inc. |
NSN 5905-01-331-2721 is a Resistor,variable,wire Wound,non, manufactured by Lake Shore Systems, Inc., classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-331-2721 has 2 manufacturer part numbers on file: 64596 (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing), 2A8-06831 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5136-01-392-4674. Verify interchangeability with system specifications before substitution.
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.