NSN 6685-00-228-3781
Part Details | DIAL INDICATING COMPOUND PRESSURE-VACUUM GAGE
6685-00-228-3781 An instrument designed to measure and indicate pressure and vacuum, on one dial having a divided scale, a single indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.
Alternate Parts: 844U, C844U, 644U, 1119987, 1-119987, 6685-00-228-3781, 00-228-3781, 6685002283781, 002283781
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | FEB 14, 1969 | 00-228-3781 | 07424 ( GAGE, COMPOUND PRESSURE-VACUUM, DIAL INDICATING ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-228-3781
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 844U | 31061 | AMETEK, INC.DBA AMETEK INC.-PROCESS AND |
| C844U | 61349 | AMETEK, INC.DIV AEROSPACE & DEFENSE |
| 644U | 61349 | AMETEK, INC.DIV AEROSPACE & DEFENSE |
| 1-119987 | 55026 | SIMPSON ELECTRIC COMPANY |
Technical Data | NSN 6685-00-228-3781
| Characteristic | Specifications |
|---|---|
| ACTUATION TYPE | SINGLE BOURDON TUBE |
| ACTUATING ELEMENT MATERIAL | PHOSPHOR BRONZE |
| SCALE TYPE | MULTIPLE |
| SCALE NAME | PRESSURE-VACUUM |
| SCALE RANGE | +0.0 TO +30.0 INCHES OF MERCURY AND +0.0 TO +15.0 POUNDS PRESSURE PER SQUARE INCH |
| SCALE ACCURACY | 2 PCT MIDDLE HALF OF RANGE |
| GRADUATION UNIT | 5.0 INCHES AND 3.0 POUNDS PER SQUARE INCH |
| SCALE SMALLEST INCREMENT | 1.0 INCHES AND 1.0 POUNDS PER SQUARE INCH |
| SCALE INSCRIPTION/BACKGROUND COLOR | BLACK FIGURES ON WHITE BACKGROUND |
| DIAL SIZE | 2 IN. DIA |
| POINTER TYPE | INDICATING |
| ADJUSTABILITY | NONADJUSTABLE |
| POINTER COLOR | BLACK |
| SCALE NAME FOR WHICH POINTER IS DESIGNED | PRESSURE-VACUUM |
| CASE MATERIAL | STEEL |
| CASE SURFACE TREATMENT | ENAMEL, BLACK |
| OVERALL DIAMETER | 2.250 INCHES NOMINAL |
| OVERALL DEPTH | 1.220 INCHES NOMINAL |
| MATERIAL | STEEL |
| SURFACE TREATMENT | ENAMEL |
| BEZEL TYPE | NC ANY ACCEPTABLE |
| PROTECTIVE CRYSTAL MATERIAL | GLASS |
| CONNECTION QUANTITY | 1 |
| CONNECTION TYPE | EXTERNAL |
| CONNECTION LOCATION | BACK, CENTER |
| CONNECTION SIZE | 0.156 IN. DIA HOSE |
| MOUNTING METHOD | RY ANY ACCEPTABLE AND E ANY ACCEPTABLE AND BC ANY ACCEPTABLE |
| STUD QUANTITY | 2 |
| STUD LOCATION | Z ANY ACCEPTABLE |
| CONNECTOR TYPE VENT | NOT PROVIDED |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED IN ACTUATING ELEMENT DATA,MULTIPLE READING SCALE,DIAL DATA,CASE DATA,GLASS PROTECTIVE CRYSTAL,AND CONNECTION DATA |