The Switch,thermostatic, cataloged under National Stock Number 5930-01-079-0234, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-079-0234 |
| Primary Part Number | 861158-3 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Body Diameter | 0.239 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | SURFACE |
| Style Designator | DISC |
| Temp Sensing Element Type | DISC |
| Features Provided | HERMETICALLY SEALED CASE |
| Operating Temp Rating | 0.0 FAHRENHEIT MINIMUM AND 350.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 175.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 145.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST 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 |
|---|---|
| 861158-3 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 4BTF2-36 | 5/2 Secondary reference U.S. Government activity |
| 861158-3 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
| 4BTF2-36 | 5/9 Secondary reference Texas Instruments Inc Metallurgical Materials Div |
NSN 5930-01-079-0234 is a Switch,thermostatic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-079-0234 has 1 manufacturer part number on file: 861158-3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 861158-3: Body Diameter: 0.239 INCHES NOMINAL IN; Overall Height: 0.085 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG. 16 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.