The Switch,pressure, cataloged under National Stock Number 5930-01-234-7284, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Man Diesel & Turbo Ltd. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-234-7284 |
| Primary Part Number | 850A19 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Man Diesel & Turbo Ltd |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 SINGLE VOLTAGE |
| Contact Action Stimulus | DECREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Contact Adjustment Range | +2.00 TO 24.00 ACTUATION POINT POUNDS PER SQUARE INCH |
| Body Height | 3.000 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.295 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Pressure Switch Type | GAGE |
| Contact Adjustment Type | INTERNAL ACTUATION POINT SCREW WITH SCALE |
| Features Provided | ELECTRICAL ACCESS PORT |
| Distance Between Mounting Facility Centers | 2.756 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5930-01-234-7284 is a Switch,pressure, manufactured by Man Diesel & Turbo Ltd, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-234-7284 has 2 manufacturer part numbers on file: 850A19 (Man Diesel & Turbo Ltd), HSA004564 (Nqea Marine Safety Pty Ltd).
Key specifications for 850A19: Overall Height: 5.039 INCHES NOMINAL IN; Frequency in Hertz: 60.0 SINGLE VOLTAGE; Contact Action Stimulus: DECREASE; Terminal Type: SCREW. 18 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.