The Switch,pressure, cataloged under National Stock Number 5930-00-642-9657, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Avionix Corp. Government technical data includes 21 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-642-9657 |
| Primary Part Number | SA1-1-70000 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Avionix Corp |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BASE |
| Contact Adjustment Range | +24.00 TO 32.00 ACTUATION POINT INCHES OF MERCURY |
| Style Designator | RECTANGULAR |
| Longest Vertical Distance Between Mounting Centers | 1.500 INCHES NOMINAL IN |
| Pressure Switch Type | GAGE |
| Nominal Thread Size | 0.4375 INCHES SINGLE PRESSURE CONNECTION IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Thread Class | 3B SINGLE PRESSURE CONNECTION |
| Contact Stimulus Rating | 3.50 DIFFERENTIAL POINT NOMINAL INCHES OF MERCURY |
| Thread Quantity Per Inch | 20 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | UNF SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL FIRST VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 1.500 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 |
| Part Number | Manufacturer |
|---|---|
| SA1-1-70000 | Avionix Corp (USA) |
| Reference | Meaning |
|---|---|
| MIL-DTL-9395/48 | 4/1 Identification reference U.S. Government activity |
| 8000714 | C/1 Advisory reference — outside the item-of-supply concept Electro National Corp |
| M9395/48-01 | 2/2 Government specification standardization U.S. Government activity |
| SA377ASQ | 5/9 Secondary reference U.S. Government activity |
| MILS9395-48 | 5/9 Secondary reference U.S. Government activity |
| SA377ASQ | C/1 Advisory reference — outside the item-of-supply concept Electro National Corp |
| 8200000 | C/1 Advisory reference — outside the item-of-supply concept Electro National Corp |
NSN 5930-00-642-9657 is a Switch,pressure, manufactured by Avionix Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-642-9657 has 1 manufacturer part number on file: SA1-1-70000 (Avionix Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-800-0714, 5950-01-019-6068. Verify interchangeability with system specifications before substitution.
Key specifications for SA1-1-70000: Overall Height: 3.000 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Mounting Facility Pattern: FOUR POSITION RECTANGULAR. 21 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.