The Switch,pressure, cataloged under National Stock Number 5930-01-330-8693, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sigma-Netics, Inc.. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-330-8693 |
| Primary Part Number | 744615 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Sigma-Netics, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.938 INCHES NOMINAL IN |
| Contact Action Stimulus | DECREASE |
| Terminal Type | TAB W/SCREW |
| Overall Diameter | 0.880 INCHES NOMINAL IN |
| Proof Pressure | 4500.00 POUNDS PER SQUARE INCH LBS |
| Contact Load Current Rating | 7.0 AMPERES RESISTIVE LOAD AND 4.0 AMPERES INDUCTIVE LOAD AND 2.5 AMPERES LAMP LOAD SINGLE VOLTAGE |
| Mounting Method | LINE |
| Thread Length | 0.660 INCHES NOMINAL SINGLE PRESSURE CONNECTION IN |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.250 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | GAGE |
| Nominal Thread Size | 0.250 INCHES SINGLE PRESSURE CONNECTION IN |
| Specification/standard Data | 30003-1771AS673 MANUFACTURERS SPECIFICATION CONTROL |
| Body Length | 1.370 INCHES NOMINAL IN |
| Pressure Connector Type | FLARED, THREADED EXTERNAL SINGLE CONNECTION |
| Operating Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Contact Stimulus Rating | 150.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 100.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH |
| Thread Series Designator | NPT SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC 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 |
| Part Number | Manufacturer |
|---|---|
| 744615 PRIMARY | Sigma-Netics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1771AS673-3 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5930-01-330-8693 is a Switch,pressure, manufactured by Sigma-Netics, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-330-8693 has 1 manufacturer part number on file: 744615 (Sigma-Netics, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6160-01-557-7539. Verify interchangeability with system specifications before substitution.
Key specifications for 744615: Width Across Flats: 0.938 INCHES NOMINAL IN; Contact Action Stimulus: DECREASE; Terminal Type: TAB W/SCREW; Overall Diameter: 0.880 INCHES NOMINAL IN. 22 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.