The Switch,proximity, cataloged under National Stock Number 5930-01-056-9598, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Modern Controls Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-056-9598 |
| Primary Part Number | 550-037RA |
| Item Name | Switch,proximity |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Modern Controls Corporation |
| Status | ACTIVE |
| Overall Diameter | 0.625 INCHES NOMINAL IN |
| 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 |
|---|---|
| 550-037RA | Modern Controls Corporation (USA) |
| Reference | Meaning |
|---|---|
| 112FW12-4SR1 | 5/9 Secondary reference U.S. Government activity |
| 112FW12-4R1 | 5/9 Secondary reference U.S. Government activity |
| SM-A-776190-2 | 3/2 Design control — primary reference U.S. Government activity |
| SM-A-776190-2 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| SM-A-776190-2 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-056-9598 is a Switch,proximity, manufactured by Modern Controls Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-056-9598 has 1 manufacturer part number on file: 550-037RA (Modern Controls Corporation).
Key specifications for 550-037RA: Overall Diameter: 0.625 INCHES NOMINAL IN; Overall Length: 2.500 INCHES NOMINAL IN. 1 specification is 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.