The Switch,thermostatic, cataloged under National Stock Number 5930-00-042-7871, 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. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-042-7871 |
| Primary Part Number | 1853737 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Body Diameter | 0.631 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Method | BRACKET(S) |
| Body Height | 0.327 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Contact Stimulus Rating | 163.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Longest Horizontal Distance Between Mounting Centers | 0.937 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 |
|---|---|
| 1853737 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 59300427871 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| M1163149271 | 5/2 Secondary reference U.S. Government activity |
| M1163149271 | 5/9 Secondary reference Texas Instruments Inc Metallurgical Materials Div |
| 1853737 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 5930-00-042-7871 is a Switch,thermostatic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-042-7871 has 2 manufacturer part numbers on file: 1853737 (Northrop Grumman Systems Corporation), 59300427871 (Northrop Grumman Systems Corporation).
Key specifications for 1853737: Body Diameter: 0.631 INCHES NOMINAL IN; Overall Height: 0.655 INCHES MINIMUM AND 0.836 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG. 9 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.