The Switch,thermostatic, cataloged under National Stock Number 5930-00-251-8699, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Services, Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-251-8699 |
| Primary Part Number | KS2018PARTS |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lockheed Martin Services, Llc |
| Status | ACTIVE |
| Body Diameter | 1.062 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Precious Material | SILVER |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BRACKET(S) AND SLOT |
| Style Designator | DISC W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Distance Between Mounting Facility Centers | 1.562 INCHES MINIMUM AND 1.686 INCHES MAXIMUM IN |
| Operating Temp Rating | -10.0 FAHRENHEIT MINIMUM AND 350.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Precious Material and Location | CONTACTS SILVER |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 150.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 130.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Mounting Slot Width | 0.172 INCHES NOMINAL IN |
| 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 |
|---|---|
| KS2018PARTS PRIMARY | Lockheed Martin Services, Llc (USA) |
| Reference | Meaning |
|---|---|
| KS2018PARTS | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 20400L41-143 | 5/9 Secondary reference U.S. Government activity |
| 20400L41-143 | 5/9 Secondary reference Texas Instruments Inc Control Products Div |
| C8151-2 SET AT 150DEGF | 5/9 Secondary reference U.S. Government activity |
NSN 5930-00-251-8699 is a Switch,thermostatic, manufactured by Lockheed Martin Services, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-251-8699 has 1 manufacturer part number on file: KS2018PARTS (Lockheed Martin Services, Llc).
Key specifications for KS2018PARTS: Body Diameter: 1.062 INCHES NOMINAL IN; Overall Height: 0.921 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB W/SCREW. 20 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.