The Switch,thermostatic, cataloged under National Stock Number 5930-00-756-9489, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Detroit Switch Inc Dba Detroit Switch Inc. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-756-9489 |
| Primary Part Number | 2221220 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Detroit Switch Inc Dba Detroit Switch Inc |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Frequency in Hertz | 60.0 FOURTH VOLTAGE |
| Frequency in Hertz | 60.0 SECOND VOLTAGE |
| Frequency in Hertz | 60.0 THIRD VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | ISOSCELES TRIANGLE |
| Bulb Length | 3.625 INCHES NOMINAL IN |
| Bulb Diameter | 0.688 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Contact Load Current Rating | 3.2 AMPERES INDUCTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 4.0 AMPERES INDUCTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 2.5 AMPERES INDUCTIVE LOAD SIXTH VOLTAGE |
| Contact Load Current Rating | 8.0 AMPERES INDUCTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 16.0 AMPERES INDUCTIVE LOAD FOURTH VOLTAGE |
| Contact Load Current Rating | 4.8 AMPERES INDUCTIVE LOAD SEVENTH VOLTAGE |
| Contact Load Current Rating | 9.6 AMPERES INDUCTIVE LOAD EIGHTH VOLTAGE |
| Contact Load Current Rating | 2.0 AMPERES INDUCTIVE LOAD FIFTH VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Contact Adjustment Range | +90.00 TO 165.00 ACTUATION POINT DEGREES FAHRENHEIT |
| Body Height | 2.750 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Longest Vertical Distance Between Mounting Centers | 3.281 INCHES NOMINAL IN |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Shortest Horizontal Distance Between Mounting Centers | 0.656 INCHES NOMINAL IN |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW |
| 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 |
|---|---|
| 222-10NL-2221220 | Detroit Switch Inc Dba Detroit Switch Inc (USA) |
| 2221220 PRIMARY | Detroit Switch Inc Dba Detroit Switch Inc (USA) |
| TS1674PC42 | Detroit Switch Inc Dba Detroit Switch Inc (USA) |
NSN 5930-00-756-9489 is a Switch,thermostatic, manufactured by Detroit Switch Inc Dba Detroit Switch Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-756-9489 has 3 manufacturer part numbers on file: 222-10NL-2221220 (Detroit Switch Inc Dba Detroit Switch Inc), 2221220 (Detroit Switch Inc Dba Detroit Switch Inc), TS1674PC42 (Detroit Switch Inc Dba Detroit Switch Inc).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-503-2427. Verify interchangeability with system specifications before substitution.
Key specifications for 2221220: Overall Height: 5.687 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Frequency in Hertz: 60.0 FOURTH VOLTAGE; Frequency in Hertz: 60.0 SECOND VOLTAGE. 27 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.