The Switch,flow, cataloged under National Stock Number 5930-01-033-2776, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Essex Electro Engineers Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-033-2776 |
| Primary Part Number | A578-1322 |
| Item Name | Switch,flow |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Essex Electro Engineers Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB W/SCREW |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BRACKET(S) |
| Body Length | 2.000 INCHES NOMINAL IN |
| Contact Stimulus Rating | 800.00 ACTUATION POINT MAXIMUM FEET PER MINUTE AND 800.00 DEACTUATION POINT MINIMUM FEET PER MINUTE |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL FIRST 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 |
|---|---|
| A578-1322 PRIMARY | Essex Electro Engineers Inc (USA) |
| Reference | Meaning |
|---|---|
| 73C5110A0019 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-01-033-2776 is a Switch,flow, manufactured by Essex Electro Engineers Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-033-2776 has 1 manufacturer part number on file: A578-1322 (Essex Electro Engineers Inc).
Key specifications for A578-1322: Contact Action Stimulus: INCREASE; Terminal Type: TAB W/SCREW; Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE; Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE. 10 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.