The Switch,pressure, cataloged under National Stock Number 5930-00-088-8640, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-088-8640 |
| Primary Part Number | PDC1-1B2 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Mounting Facility Circle Radius | 1.594 INCHES NOMINAL IN |
| Contact Load Current Rating | 3.0 AMPERES INDUCTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BASE AND THREADED HOLE(S) |
| Body Height | 2.500 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR |
| Longest Vertical Distance Between Mounting Centers | 1.580 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN |
| Pressure Switch Type | DIFFERENTIAL |
| Nominal Thread Size | 0.138 INCHES ALL THREADED HOLE IN |
| Nominal Thread Size | 0.438 INCHES FIRST PRESSURE CONNECTION IN |
| Nominal Thread Size | 0.500 INCHES SECOND PRESSURE CONNECTION IN |
| Body Length | 3.110 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 2B ALL PRESSURE CONNECTION |
| Thread Class | 2B ALL THREADED HOLE |
| Thread Quantity Per Inch | 32 ALL THREADED HOLE |
| Thread Quantity Per Inch | 20 FIRST PRESSURE CONNECTION |
| Thread Quantity Per Inch | 20 SECOND PRESSURE CONNECTION |
| Thread Series Designator | UNF FIRST PRESSURE CONNECTION |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE |
| Thread Series Designator | UNF SECOND PRESSURE CONNECTION |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 1.580 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN |
| Hazardous Locations/environmental Protection | DUSTPROOF |
| 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 |
|---|---|
| PDC1-1B2 PRIMARY | Avox Systems Inc Dba Avox Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 10-60618 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5930-00-088-8640 is a Switch,pressure, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-088-8640 has 1 manufacturer part number on file: PDC1-1B2 (Avox Systems Inc Dba Avox Systems Inc).
Key specifications for PDC1-1B2: Terminal Type: CONNECTOR, RECEPTACLE; Mounting Facility Pattern: FOUR POSITION RECTANGULAR; Mounting Facility Circle Radius: 1.594 INCHES NOMINAL IN; Contact Load Current Rating: 3.0 AMPERES INDUCTIVE LOAD SINGLE VOLTAGE. 27 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.