The Switch,thermostatic, cataloged under National Stock Number 5930-01-088-3905, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-088-3905 |
| Primary Part Number | 2438907-1 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Body Diameter | 0.618 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Frequency in Hertz | 60.0 SECOND VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | IMMERSION WELL |
| Contact Adjustment Range | -100.00 TO 400.00 ACTUATION POINT DEGREES FAHRENHEIT |
| Style Designator | CYLINDRICAL W/FLANGE |
| Temp Sensing Element Type | BULB |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW |
| Features Provided | AUTOMATIC RESET |
| Nominal Thread Size | 0.500 INCHES SINGLE THREADED BUSHING IN |
| Body Length | 2.968 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Contact Stimulus Rating | 90.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Thread Series Designator | NPT SINGLE THREADED BUSHING |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE, PRESET |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 230.0 AC 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 |
|---|---|
| 2438907-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
| 17121-0-MOD3-90 DEGF PORM 5 DEGF | Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA) |
| Reference | Meaning |
|---|---|
| 17121-0-M0D3-95DEGFPORM5DEGF | 5/9 Secondary reference Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems |
NSN 5930-01-088-3905 is a Switch,thermostatic, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-088-3905 has 2 manufacturer part numbers on file: 2438907-1 (Honeywell Intl Inc Defense Avionics Systems), 17121-0-MOD3-90 DEGF PORM 5 DEGF (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems).
Key specifications for 2438907-1: Body Diameter: 0.618 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Width Across Flats: 1.000 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Frequency in Hertz: 60.0 SECOND VOLTAGE. 23 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.