The Switch,liquid Level, cataloged under National Stock Number 5930-01-678-1617, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rosemount Inc.. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-678-1617 |
| Primary Part Number | 2120D1AT1NAA0000Q4 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Rosemount Inc. |
| Status | ACTIVE |
| Actuation Method | ELECTRONIC |
| Mounting Position | HORIZONTAL AND VERTICAL |
| 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 |
|---|---|
| 2120D1AT1NAA0000Q4 PRIMARY | Rosemount Inc. (USA) |
NSN 5930-01-678-1617 is a Switch,liquid Level, manufactured by Rosemount Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-678-1617 has 1 manufacturer part number on file: 2120D1AT1NAA0000Q4 (Rosemount Inc.).
Key specifications for 2120D1AT1NAA0000Q4: Actuation Method: ELECTRONIC; Mounting Position: HORIZONTAL AND VERTICAL; Liquid Type for Which Designed: WATER; Special Features: OPERATING TEMPERATURE: -40 TO 302 DEG F (-40 TO 150 DEG C);PROCESS CONNECTION SIZE/TYPE: 1-INCH BSPT R THREAD DEGC. 3 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.