The Switch,pressure, cataloged under National Stock Number 5930-01-198-1553, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bec Controls Corp. Government technical data includes 28 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-198-1553 |
| Primary Part Number | R72-B1-GFJ-87 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Bec Controls Corp |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Frequency in Hertz | 60.0 SECOND VOLTAGE |
| Frequency in Hertz | 60.0 THIRD VOLTAGE |
| Contact Action Stimulus | DECREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Overall Diameter | 3.125 INCHES NOMINAL IN |
| Proof Pressure | 15.00 INCHES OF WATER IN |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Mounting Method | THREADED HOLE(S) |
| Contact Adjustment Range | +0.15 TO 1.25 ACTUATION POINT INCHES OF WATER |
| Style Designator | CYLINDRICAL |
| Pressure Switch Type | DIFFERENTIAL |
| Distance Between Mounting Facility Centers | 1.624 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES ALL THREADED HOLE IN |
| Pressure Connector Type | PLAIN, THREADED INTERNAL ALL CONNECTIONS |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF |
| Inside Diameter | 0.125 INCHES NOMINAL SINGLE CONNECTION IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS |
| Thread Class | 2B ALL THREADED HOLE |
| Thread Series Designator | UNF ALL THREADED HOLE |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 480.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 250.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL THIRD VOLTAGE |
| 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 |
|---|---|
| R72-B1-GFJ-87 PRIMARY | Bec Controls Corp (USA) |
NSN 5930-01-198-1553 is a Switch,pressure, manufactured by Bec Controls Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-198-1553 has 1 manufacturer part number on file: R72-B1-GFJ-87 (Bec Controls Corp).
Key specifications for R72-B1-GFJ-87: Frequency in Hertz: 60.0 FIRST VOLTAGE; Frequency in Hertz: 60.0 SECOND VOLTAGE; Frequency in Hertz: 60.0 THIRD VOLTAGE; Contact Action Stimulus: DECREASE. 28 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.