The Switch,thermostatic, cataloged under National Stock Number 5930-01-032-4480, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-032-4480 |
| Primary Part Number | AR-215A |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Bulb Length | 4.500 INCHES NOMINAL IN |
| Bulb Diameter | 0.375 INCHES NOMINAL IN |
| Contact Load Current Rating | 30.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 26.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BRACKET(S) |
| Contact Adjustment Range | +60.00 TO 250.00 ACTUATION POINT DEGREES FAHRENHEIT AND +58.80 TO 245.00 DEACTUATION POINT DEGREES FAHRENHEIT |
| Body Height | 5.875 INCHES NOMINAL IN |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Contact Adjustment Type | EXTERNAL DEACTUATION POINT KNOB WITH SCALE AND EXTERNAL ACTUATION POINT KNOB WITH SCALE |
| Features Provided | CAPILLARY TUBE END SEAL CONNECTION |
| Capillary Tube Length | 84.0 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 2 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT 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 |
| 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 |
|---|---|
| AR-215A PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| AR2525A | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 5930-01-032-4480 is a Switch,thermostatic, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-032-4480 has 1 manufacturer part number on file: AR-215A (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for AR-215A: Contact Action Stimulus: INCREASE; Terminal Type: SCREW; Bulb Length: 4.500 INCHES NOMINAL IN; Bulb Diameter: 0.375 INCHES NOMINAL IN. 18 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.