The Switch,pressure, cataloged under National Stock Number 5930-00-252-4121, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-252-4121 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Contact Action Stimulus | DECREASE |
| Contact Load Current Rating | 4.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 2.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | BRACKET(S) |
| Contact Adjustment Range | +1.05 TO 1.75 ACTUATION POINT POUNDS PER SQUARE INCH GAGE |
| Criticality Code Justification | ZZZY |
| Pressure Switch Type | GAGE |
| Contact Adjustment Type | INTERNAL DEACTUATION POINT SCREW AND INTERNAL ACTUATION POINT SCREW |
| Features Provided | ELECTRICAL ACCESS PORT |
| Operating Temp Rating | 300.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | LIQUID |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 440.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 440.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 222-32NC2-2222347 | 3/1 Design control — primary reference Detroit Switch Inc Dba Detroit Switch Inc |
| 2222347NC2 | 5/1 Secondary reference Detroit Switch Inc Dba Detroit Switch Inc |
NSN 5930-00-252-4121 is a Switch,pressure, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5930-01-321-4977. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-00-252-4121: Contact Action Stimulus: DECREASE; Contact Load Current Rating: 4.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE; Contact Load Current Rating: 2.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE; Mounting Method: BRACKET(S). 16 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.
NSN 5930-00-252-4121 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.