The Switch,pressure, cataloged under National Stock Number 5930-00-003-6644, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-003-6644 |
| Primary Part Number | A51H9092-3 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Contact Load Current Rating | 3.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Style Designator | CYLINDRICAL |
| Pressure Switch Type | GAGE |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51H9092-3 | Northrop Grumman Systems Corporation (USA) |
| A51H9092-3 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 15065-3 | 5/2 Secondary reference U.S. Government activity |
| A51H9092-3 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 5930-00-003-6644 is a Switch,pressure, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-003-6644 has 2 manufacturer part numbers on file: A51H9092-3 (Northrop Grumman Systems Corporation), A51H9092-3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-121-6362. Verify interchangeability with system specifications before substitution.
Key specifications for A51H9092-3: Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Contact Load Current Rating: 3.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE; Style Designator: CYLINDRICAL. 8 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.
NSN 5930-00-003-6644 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.