The Switch,liquid Level, cataloged under National Stock Number 6680-01-691-3148, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Sensaras, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Switch,liquid Level |
| FSC / FSG | 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66) |
| Manufacturers | Sensaras, Llc (CAGE 6XTK9) |
| Parameter | Value |
|---|---|
| NSN | 6680-01-691-3148 |
| Primary Part Number | 003-00028 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Sensaras, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 003-00028 PRIMARY | Sensaras, Llc (USA) |
| Reference | Meaning |
|---|---|
| 437-8545383 | D/9 Drawing number reference only Naval Sea Systems Command |
| VPMLLSPT-001 | 5/2 Secondary reference U.S. Government activity |
| 437-8545383-ITEM 174, 175, 176, | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 6680-01-691-3148 is a Switch,liquid Level, manufactured by Sensaras, Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-691-3148 has 1 manufacturer part number on file: 003-00028 (Sensaras, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6695-01-696-4840. 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.