The Switch,pressure, cataloged under National Stock Number 5930-01-173-4947, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-173-4947 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | TWO POSITION DIAGONAL |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | BASE AND UNTHREADED HOLE(S) AND SLOT |
| Contact Adjustment Range | +8.00 TO 70.00 ACTUATION POINT POUNDS PER SQUARE INCH GAGE |
| Body Height | 2.094 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.203 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Longest Vertical Distance Between Mounting Centers | 0.453 INCHES NOMINAL IN |
| Pressure Switch Type | DIFFERENTIAL |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT POINTER WITH SCALE |
| Features Provided | ELECTRICAL ACCESS PORT AND MANUAL RESET BUTTON |
| Body Length | 3.250 INCHES NOMINAL IN |
| Pressure Connector Type | SWIVEL NUT, FLARE, THREADED INTERNAL ALL CONNECTIONS |
| Inside Diameter | 0.250 INCHES NOMINAL ALL CONNECTIONS IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | GAS OR LIQUID |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 4.984 INCHES NOMINAL IN |
| Mounting Slot Width | 0.203 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 |
| Reference | Meaning |
|---|---|
| P28AA-1B | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| P28AA-18 | 3/2 Design control — primary reference U.S. Government activity |
| P28AA-18 | C/1 Advisory reference — outside the item-of-supply concept Johnson Controls Inc Control Products Div |
| P28AA-18 | C/1 Advisory reference — outside the item-of-supply concept Johnson Controls, Inc Div Building Efficiency |
NSN 5930-01-173-4947 is a Switch,pressure, classified under FSC 5930, Switches. Status: active.
Key specifications for 5930-01-173-4947: Overall Height: 2.297 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: SCREW; Mounting Facility Pattern: TWO POSITION DIAGONAL. 24 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.