The Switch,pressure, cataloged under National Stock Number 5930-00-478-7294, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-00-478-7294 |
| Primary Part Number | 65D18 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Style Designator | CYLINDRICAL |
| Pressure Switch Type | DIFFERENTIAL |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Contact Stimulus Rating | 0.20 DIFFERENTIAL POINT NOMINAL INCHES OF WATER |
| 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 A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 65D18 PRIMARY | Grimes Aerospace Company (USA) |
| Reference | Meaning |
|---|---|
| 206-073-908-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5930-00-478-7294 is a Switch,pressure, manufactured by Grimes Aerospace Company, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-478-7294 has 1 manufacturer part number on file: 65D18 (Grimes Aerospace Company).
Key specifications for 65D18: Contact Action Stimulus: INCREASE; Style Designator: CYLINDRICAL; Overall Length: 3.120 INCHES NOMINAL IN; Pressure Switch Type: DIFFERENTIAL. 7 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.