The Switch,thermostatic, cataloged under National Stock Number 5930-01-542-6000, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-542-6000 |
| Primary Part Number | SBKT-1 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Contact Action Stimulus | DECREASE |
| Terminal Type | TAB, SOLDER LUG |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 10.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 9.3 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Mounting Method | BRACKET(S) |
| Style Designator | DISC W/FLANGE |
| Temp Sensing Element Type | DISC |
| Operating Temp Rating | 350.0 FAHRENHEIT MAXIMUM DEGF |
| Media for Which Designed | GAS |
| Contact Stimulus Rating | 53.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 277.0 AC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 120.0 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 |
|---|---|
| SBKT-1 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 28935 ITEM 7 SHEET 6 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-542-6000 is a Switch,thermostatic, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-542-6000 has 1 manufacturer part number on file: SBKT-1 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for SBKT-1: Contact Action Stimulus: DECREASE; Terminal Type: TAB, SOLDER LUG; Contact Load Current Rating: 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE; Contact Load Current Rating: 10.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE. 15 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.