The Switch,proximity, cataloged under National Stock Number 5930-01-730-1693, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Switch,proximity |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | Northrop Grumman Systems Corporation Div Marine Systems (CAGE 04804); The Entwistle Company Llc (CAGE 20722); Ndi Engineering Company (CAGE 4X596) |
| Parameter | Value |
|---|---|
| NSN | 5930-01-730-1693 |
| Primary Part Number | 2056AS0555-3 |
| Item Name | Switch,proximity |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 2056AS0555-3 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 2056AS0555-3 PRIMARY | The Entwistle Company Llc (USA) |
| 2056AS0555-3 PRIMARY | Ndi Engineering Company (USA) |
NSN 5930-01-730-1693 is a Switch,proximity, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-730-1693 has 3 manufacturer part numbers on file: 2056AS0555-3 (Northrop Grumman Systems Corporation Div Marine Systems), 2056AS0555-3 (The Entwistle Company Llc), 2056AS0555-3 (Ndi Engineering Company).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5930-01-730-1693 has DEMIL Code D. 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.