The Switch,proximity, cataloged under National Stock Number 5930-01-549-9216, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Topworx Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-549-9216 |
| Primary Part Number | 73-13568-B4 |
| Item Name | Switch,proximity |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Topworx Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Overall Diameter | 16.0 MILLIMETERS NOMINAL MM |
| Contact Load Current Rating | 4.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BASE |
| Style Designator | CYLINDRICAL |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Contact Stimulus Rating | 0.06 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| 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 |
|---|---|
| 73-13568-B4 PRIMARY | Topworx Inc (USA) |
| Reference | Meaning |
|---|---|
| 690869A | 5/9 Secondary reference Jarp Industries |
NSN 5930-01-549-9216 is a Switch,proximity, manufactured by Topworx Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-549-9216 has 1 manufacturer part number on file: 73-13568-B4 (Topworx Inc).
Key specifications for 73-13568-B4: Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Overall Diameter: 16.0 MILLIMETERS NOMINAL MM; Contact Load Current Rating: 4.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE. 10 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.