The Switch,liquid Level, cataloged under National Stock Number 5930-01-221-5957, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Schneider Electric Usa, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-221-5957 |
| Primary Part Number | CLASS 9037 TYPE EW-9 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Schneider Electric Usa, Inc. |
| Status | ACTIVE |
| Relay | NOT INCLUDED |
| Actuation Method | BUOYANCY |
| Mounting Method | FLANGE |
| Liquid Type for Which Designed | WATER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CLASS 9037 TYPE EW-9 PRIMARY | Schneider Electric Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| EW-9 CLASS 9037 | C/1 Advisory reference — outside the item-of-supply concept Schneider Electric Usa, Inc. |
| CLASS 9037 TYPE EW-9 | 5/9 Secondary reference Schneider Electric Usa, Inc. |
NSN 5930-01-221-5957 is a Switch,liquid Level, manufactured by Schneider Electric Usa, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-221-5957 has 1 manufacturer part number on file: CLASS 9037 TYPE EW-9 (Schneider Electric Usa, Inc.).
Key specifications for CLASS 9037 TYPE EW-9: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; Mounting Method: FLANGE; Liquid Type for Which Designed: WATER. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.