The Switch,thermostatic, cataloged under National Stock Number 5930-00-131-9987, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell International Inc. Dba Honeywell Div Sensing and Control. Government technical data includes 24 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-131-9987 |
| Primary Part Number | 3100-99-2 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Honeywell International Inc. Dba Honeywell Div Sensing and Control |
| Status | ACTIVE |
| Body Diameter | 0.605 INCHES MAXIMUM IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Precious Material | SILVER |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Body Height | 0.327 INCHES MAXIMUM IN |
| Unthreaded Mounting Hole Diameter | 0.125 INCHES MAXIMUM IN |
| Style Designator | DISC W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Features Provided | HERMETICALLY SEALED CASE |
| Distance Between Mounting Facility Centers | 0.531 INCHES NOMINAL IN |
| Operating Temp Rating | 260.0 CELSIUS MAXIMUM AND -54.0 CELSIUS MINIMUM DEGC |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 176.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 149.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 250.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 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 |
|---|---|
| 3100-99-2 PRIMARY | Honeywell International Inc. Dba Honeywell Div Sensing and Control (USA) |
| Reference | Meaning |
|---|---|
| 4344-121-10 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4344-121-10 | 5/9 Secondary reference Texas Instruments Inc Metallurgical Materials Div |
| C4344-121 | C/1 Advisory reference — outside the item-of-supply concept Texas Instruments Inc Metallurgical Materials Div |
| 905102-1 | 7/2 Vendor item drawing reference General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems |
| C4344-121-10 | 5/9 Secondary reference Texas Instruments Inc Metallurgical Materials Div |
NSN 5930-00-131-9987 is a Switch,thermostatic, manufactured by Honeywell International Inc. Dba Honeywell Div Sensing and Control, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-131-9987 has 1 manufacturer part number on file: 3100-99-2 (Honeywell International Inc. Dba Honeywell Div Sensing and Control).
Key specifications for 3100-99-2: Body Diameter: 0.605 INCHES MAXIMUM IN; Overall Height: 0.521 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG. 24 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.