The Switch,lock, cataloged under National Stock Number 5930-01-083-8075, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-083-8075 |
| Primary Part Number | ST5M1491-002 |
| Item Name | Switch,lock |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Style | BUSHING MOUNTED |
| Mounting Method | THREADED BUSHING |
| Body Width | 1.840 INCHES NOMINAL IN |
| Body Height | 1.840 INCHES NOMINAL IN |
| Nominal Thread Size | 1.188 INCHES IN |
| Body Length | 0.830 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 28.0 DC |
| Thread Quantity Per Inch | 24 |
| Terminal Type and Quantity | 4 SCREW |
| Thread Series Designator | UNS |
| Contact Load Current Rating at Maximum Rated Voltage | 10.000 AMPERES RESISTIVE DC AND 5.000 AMPERES INDUCTIVE DC |
| 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 |
|---|---|
| ST5M1491-002 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| X67136-PT | 5/9 Secondary reference U.S. Government activity |
| PTKBC2222C | 5/9 Secondary reference U.S. Government activity |
NSN 5930-01-083-8075 is a Switch,lock, manufactured by The Boeing Company Div Defense, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-083-8075 has 1 manufacturer part number on file: ST5M1491-002 (The Boeing Company Div Defense).
Key specifications for ST5M1491-002: Overall Height: 1.960 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: BUSHING MOUNTED; Mounting Method: THREADED BUSHING. 13 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.