The Switch,proximity, cataloged under National Stock Number 5930-01-414-1287, 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-414-1287 |
| Primary Part Number | 73-13528-DCA |
| Item Name | Switch,proximity |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Topworx Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Overall Diameter | 0.625 INCHES NOMINAL IN |
| Contact Load Current Rating | 0.5 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 50.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | THREADED STUD(S) |
| Thread Length | 1.880 INCHES NOMINAL SINGLE THREADED STUD IN |
| Thread Direction | LEFT-HAND SINGLE THREADED STUD |
| Nominal Thread Size | 0.625 INCHES SINGLE THREADED STUD IN |
| Operating Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 221.0 FAHRENHEIT MAXIMUM DEGF |
| Thread Quantity Per Inch | 18 SINGLE THREADED STUD |
| Thread Series Designator | UNF SINGLE THREADED STUD |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 24.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 250.0 DC AT SEA LEVEL THIRD 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 |
|---|---|
| 73-13528-DCA PRIMARY | Topworx Inc (USA) |
| 73-13521-DCA | Topworx Inc (USA) |
| 73-13521-DC | Topworx Inc (USA) |
NSN 5930-01-414-1287 is a Switch,proximity, manufactured by Topworx Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-414-1287 has 3 manufacturer part numbers on file: 73-13528-DCA (Topworx Inc), 73-13521-DCA (Topworx Inc), 73-13521-DC (Topworx Inc).
Key specifications for 73-13528-DCA: Contact Action Stimulus: INCREASE; Overall Diameter: 0.625 INCHES NOMINAL IN; Contact Load Current Rating: 0.5 AMPERES RESISTIVE LOAD THIRD VOLTAGE; Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE. 15 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.