The Switch,thermostatic, cataloged under National Stock Number 5930-00-855-1499, 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 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-00-855-1499 |
| Primary Part Number | 860166-9 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Body Diameter | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 3.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 3.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Body Height | 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Unthreaded Mounting Hole Diameter | 0.147 INCHES NOMINAL IN |
| Style Designator | DISC W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Distance Between Mounting Facility Centers | 0.440 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR SOLID |
| Contact Stimulus Rating | 122.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 1.50 DIFFERENTIAL POINT MINIMUM DEGREES FAHRENHEIT AND 6.50 DIFFERENTIAL POINT MAXIMUM DEGREES FAHRENHEIT |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 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 |
|---|---|
| 860166-9 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 860166-0009 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 860166-9 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
| 436-466 | 5/9 Secondary reference U.S. Government activity |
| 860166-0009 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5930-00-855-1499 is a Switch,thermostatic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-855-1499 has 2 manufacturer part numbers on file: 860166-9 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 860166-0009 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 860166-9: Body Diameter: 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN; Overall Height: 0.281 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Contact Action Stimulus: INCREASE. 19 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.