The Switch,pressure, cataloged under National Stock Number 5930-01-109-0759, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-109-0759 |
| Primary Part Number | 1213AS646 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Body Diameter | 1.390 INCHES MAXIMUM IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD AND 2.5 AMPERES INDUCTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.201 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL W/MOUNTING LUGS |
| Pressure Switch Type | GAGE |
| Distance Between Mounting Facility Centers | 0.500 INCHES NOMINAL IN |
| Body Length | 1.690 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Contact Stimulus Rating | -1.80 ACTUATION POINT NOMINAL INCHES OF MERCURY AND -1.00 DEACTUATION POINT NOMINAL INCHES OF MERCURY |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 30.0 DC AT ALTITUDE SINGLE VOLTAGE |
| Hazardous Locations/environmental Protection | VIBRATION RESISTANT |
| 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 |
|---|---|
| 1213AS646 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 218C50-51 | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 218C50 | 5/1 Secondary reference Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
NSN 5930-01-109-0759 is a Switch,pressure, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-109-0759 has 2 manufacturer part numbers on file: 1213AS646 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 218C50-51 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution).
Key specifications for 1213AS646: Body Diameter: 1.390 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Mounting Facility Pattern: TWO POSITION IN-LINE. 17 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.