The Switch,pressure, cataloged under National Stock Number 5930-00-577-8556, 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 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-577-8556 |
| Primary Part Number | 2221175 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Detroit Switch Inc Dba Detroit Switch Inc |
| Status | ACTIVE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | ISOSCELES TRIANGLE |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 4.6 AMPERES RESISTIVE LOAD FOURTH VOLTAGE |
| Contact Load Current Rating | 2.7 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 13.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Mounting Method | BRACKET(S) |
| Contact Adjustment Range | +10.00 TO 180.00 ACTUATION POINT POUNDS PER SQUARE INCH |
| Longest Vertical Distance Between Mounting Centers | 3.281 INCHES NOMINAL IN |
| Shortest Horizontal Distance Between Mounting Centers | 1.203 INCHES NOMINAL IN |
| Pressure Switch Type | GAGE |
| Nominal Thread Size | 0.250 INCHES SINGLE PRESSURE CONNECTION IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Thread Quantity Per Inch | 18 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | NPT SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 550.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 550.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 DC AT SEA LEVEL FOURTH VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 2.406 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 |
|---|---|
| 2221175 | Detroit Switch Inc Dba Detroit Switch Inc (USA) |
| Reference | Meaning |
|---|---|
| 586-550-1888346REVAPC16 | 3/2 Design control — primary reference U.S. Government activity |
| 222-10NB6-2221175 | 5/1 Secondary reference Detroit Switch Inc Dba Detroit Switch Inc |
| TS1583REVAPC16 | 5/9 Secondary reference Detroit Switch Inc Dba Detroit Switch Inc |
NSN 5930-00-577-8556 is a Switch,pressure, manufactured by Detroit Switch Inc Dba Detroit Switch Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-577-8556 has 1 manufacturer part number on file: 2221175 (Detroit Switch Inc Dba Detroit Switch Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-124-2475, 6520-01-503-5633. Verify interchangeability with system specifications before substitution.
Key specifications for 2221175: Overall Height: 5.813 INCHES NOMINAL IN; Terminal Type: SCREW; Mounting Facility Pattern: ISOSCELES TRIANGLE; Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE. 21 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.