The Switch,proximity, cataloged under National Stock Number 5930-01-721-8166, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Topworx 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Switch,proximity |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | Jarp Industries, Inc. Dba Jarp Industries Inc (CAGE 63899); Topworx Inc (CAGE 04553) |
| Parameter | Value |
|---|---|
| NSN | 5930-01-721-8166 |
| Primary Part Number | 7FJ7736583DD |
| Item Name | Switch,proximity |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Topworx Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 691952A | Jarp Industries, Inc. Dba Jarp Industries Inc (USA) |
| 7FJ7736583DD PRIMARY | Topworx Inc (USA) |
| Reference | Meaning |
|---|---|
| 161072B | D/9 Drawing number reference only Jarp Industries, Inc. Dba Jarp Industries Inc |
| 161072B ITEM NO.12 | C/1 Advisory reference — outside the item-of-supply concept Jarp Industries, Inc. Dba Jarp Industries Inc |
NSN 5930-01-721-8166 is a Switch,proximity, manufactured by Topworx Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-721-8166 has 2 manufacturer part numbers on file: 691952A (Jarp Industries, Inc. Dba Jarp Industries Inc), 7FJ7736583DD (Topworx Inc).
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.