The Switch,thermostatic, cataloged under National Stock Number 5930-00-401-6508, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories. Government technical data includes 27 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-401-6508 |
| Primary Part Number | 0405-003 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Frequency in Hertz | 60.0 SECOND VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 0.605 INCHES NOMINAL IN |
| Contact Load Current Rating | 6.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 4.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 6.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | THREADED STUD(S) |
| Thread Length | 0.375 INCHES NOMINAL ALL THREADED STUD IN |
| Body Height | 0.290 INCHES MAXIMUM IN |
| Style Designator | DISC |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.138 INCHES ALL THREADED STUD IN |
| Operating Temp Rating | -30.0 FAHRENHEIT MINIMUM AND 500.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Thread Class | 2A ALL THREADED STUD A |
| Contact Stimulus Rating | 255.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 240.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Thread Quantity Per Inch | 32 ALL THREADED STUD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL THREADED STUD |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 30.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Hazardous Locations/environmental Protection | MOISTURE PROOF |
| 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 |
|---|---|
| 3100-43-41 | Honeywell International Inc. Dba Honeywell Div Sensing and Control (USA) |
| 0405-003 PRIMARY | Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories (USA) |
NSN 5930-00-401-6508 is a Switch,thermostatic, manufactured by Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-401-6508 has 2 manufacturer part numbers on file: 3100-43-41 (Honeywell International Inc. Dba Honeywell Div Sensing and Control), 0405-003 (Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories).
Key specifications for 0405-003: Overall Height: 0.781 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Frequency in Hertz: 60.0 SECOND VOLTAGE; Contact Action Stimulus: INCREASE. 27 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.