The Switch,proximity, cataloged under National Stock Number 5930-01-312-6717, 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 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-312-6717 |
| Primary Part Number | 75-13566-B2 |
| Item Name | Switch,proximity |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Topworx Inc |
| Status | ACTIVE |
| Body Diameter | 0.625 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| 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 BUSHING |
| Thread Length | 2.813 INCHES NOMINAL SINGLE THREADED BUSHING IN |
| Style Designator | CYLINDRICAL W/FLANGE |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.625 INCHES SINGLE THREADED BUSHING IN |
| Body Length | 3.620 INCHES NOMINAL IN |
| Operating Temp Rating | -50.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Class | 2A SINGLE THREADED BUSHING A |
| Thread Series Designator | UNF SINGLE THREADED BUSHING |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| 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 |
| 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 |
|---|---|
| 75-13566-B2 PRIMARY | Topworx Inc (USA) |
| 49-007 ITEM 55 | Huntington Ingalls Incorporated Div Ingalls Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 75-13526-B2 | 3/9 Design control — primary reference Topworx Inc |
| 713570 | 5/9 Secondary reference Topworx Inc |
| 75-13526-B1 | 5/9 Secondary reference Topworx Inc |
NSN 5930-01-312-6717 is a Switch,proximity, manufactured by Topworx Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-312-6717 has 2 manufacturer part numbers on file: 75-13566-B2 (Topworx Inc), 49-007 ITEM 55 (Huntington Ingalls Incorporated Div Ingalls Shipbuilding).
Key specifications for 75-13566-B2: Body Diameter: 0.625 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE. 18 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.