The Switch,pressure, cataloged under National Stock Number 5930-00-577-8571, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-577-8571 |
| Primary Part Number | TS1583REVAPC4 |
| Item Name | Switch,pressure |
| 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 THIRD VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | ISOSCELES TRIANGLE |
| Proof Pressure | 80.00 POUNDS PER SQUARE INCH LBS |
| Precious Material | SILVER |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD FOURTH VOLTAGE |
| Contact Load Current Rating | 2.6 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 3.3 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Contact Adjustment Range | +1.00 TO 15.00 ACTUATION POINT POUNDS PER SQUARE INCH |
| 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 |
| Shortest Horizontal Distance Between Mounting Centers | 2.000 INCHES NOMINAL IN |
| Pressure Switch Type | GAGE |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW |
| Features Provided | ELECTRICAL ACCESS PORT |
| Nominal Thread Size | 0.375 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | PLAIN, THREADED INTERNAL SINGLE CONNECTION |
| Inside Diameter | 0.250 INCHES NOMINAL SINGLE CONNECTION IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Precious Material and Location | CONTACTS SILVER |
| Media for Which Designed | GAS |
| 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 |
|---|---|
| TS1583REVAPC4 PRIMARY | Detroit Switch Inc Dba Detroit Switch Inc (USA) |
| 222-32NA1-222702 | Detroit Switch Inc Dba Detroit Switch Inc (USA) |
| 222702 PRIMARY | Detroit Switch Inc Dba Detroit Switch Inc (USA) |
| Reference | Meaning |
|---|---|
| 586-550-1888346REVAPC4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-00-577-8571 is a Switch,pressure, manufactured by Detroit Switch Inc Dba Detroit Switch Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-577-8571 has 3 manufacturer part numbers on file: TS1583REVAPC4 (Detroit Switch Inc Dba Detroit Switch Inc), 222-32NA1-222702 (Detroit Switch Inc Dba Detroit Switch Inc), 222702 (Detroit Switch Inc Dba Detroit Switch Inc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-120-4432. Verify interchangeability with system specifications before substitution.
Key specifications for TS1583REVAPC4: Overall Height: 5.687 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Frequency in Hertz: 60.0 THIRD VOLTAGE; Contact Action Stimulus: INCREASE. 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.