NSN 6685-00-349-2998
Part Details | DIAL INDICATING ABSOLUTE PRESSURE GAGE
6685-00-349-2998 An instrument designed to measure pressure, and indicate in terms of pressure above vacuum (zero pressure) by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) without the necessity of correction or adjustment for barometric or atmospheric pressure. For items that do not have an internal pressure sensitive element see INDICATOR, PRESSURE.
Alternate Parts: 1049037, 1049037, 6685-00-349-2998, 00-349-2998, 6685003492998, 003492998
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-349-2998 | 07420 ( GAGE, ABSOLUTE PRESSURE, DIAL INDICATING ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-349-2998
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1049037 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 1049037 | 4K539 | POLYTECHNIC INDUSTRIES, INC. |
Technical Data | NSN 6685-00-349-2998
| Characteristic | Specifications |
|---|---|
| ACTUATION TYPE | SINGLE BOURDON TUBE |
| ACTUATING ELEMENT MATERIAL | BRONZE |
| SCALE TYPE | SINGLE |
| SCALE NAME | PRESSURE |
| SCALE RANGE | +0.000 TO +160.000 POUNDS PRESSURE PER SQUARE INCH |
| SCALE ACCURACY | 2 PCT MIDDLE THIRD OF RANGE |
| GRADUATION UNIT | 20.000 POUNDS |
| SCALE SMALLEST INCREMENT | 2.000 DEGREES |
| SCALE INSCRIPTION/BACKGROUND COLOR | BLACK FIGURES ON WHITE BACKGROUND |
| DIAL SIZE | 3-1/2 IN. DIA |
| SCALE MARKING | TORPEDO TUBE |
| POINTER TYPE | INDICATING AND REFERENCE |
| ADJUSTABILITY | ADJUSTABLE |
| POINTER COLOR | BLACK AND RED |
| CASE MATERIAL | PLASTIC |
| OVERALL DIAMETER | 4.750 INCHES NOMINAL |
| OVERALL DEPTH | 1.625 INCHES NOMINAL |
| PROTECTIVE CRYSTAL MATERIAL | PLASTIC |
| CONNECTION QUANTITY | 1 |
| CONNECTION TYPE | EXTERNAL |
| CONNECTION LOCATION | LOWER |
| CONNECTION SIZE | 0.250 IN. NPT DIA |
| MOUNTING METHOD | SURFACE WALL |
| BOLT CIRCLE DIAMETER | 4.250 INCHES NOMINAL |
| MOUNTING HOLE QUANTITY | 3 |
| MOUNTING HOLE DIAMETER | 0.281 INCHES NOMINAL |
| CONNECTOR TYPE VENT | NOT PROVIDED |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE |