Part Details | DIAL INDICATING ABSOLUTE PRESSURE GAGE
6685-00-850-3981 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: 270458, 270458, 61D1A0030B, 61D-1A-0030B, FA160371B, 61D1A0030B, 61D-1A-0030B, FA160371B, 6685-00-850-3981, 00-850-3981, 6685008503981, 008503981
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-850-3981 | 07420 ( GAGE, ABSOLUTE PRESSURE, DIAL INDICATING ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-850-3981
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 270458 | 72599 | ALLIEDSIGNAL INCDBA ALLIED-SIGNAL AEROSPACE CO |
| 270458 | 70210 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
| 61D-1A-0030B | 79172 | SIEMENS WATER TECHNOLOGIES CORP.DIV WALLACE & TIERNAN PRODUCTS |
| FA160371B | 79172 | SIEMENS WATER TECHNOLOGIES CORP.DIV WALLACE & TIERNAN PRODUCTS |
| 61D-1A-0030B | 61049 | WIKA HOLDING LP |
| FA160371B | 61049 | WIKA HOLDING LP |
Technical Data | NSN 6685-00-850-3981
| Characteristic | Specifications |
|---|---|
| ACTUATION TYPE | DIAPHRAGM |
| ACTUATING ELEMENT MATERIAL | BERYLLIUM COPPER |
| SCALE TYPE | SINGLE |
| SCALE NAME | PRESSURE |
| SCALE RANGE | +0.0 TO +62.0 INCHES OF MERCURY |
| SCALE ACCURACY | 0.33 PCT ENTIRE RANGE |
| GRADUATION UNIT | 5.0 INCHES |
| SCALE SMALLEST INCREMENT | 0.5 INCHES |
| SCALE INSCRIPTION/BACKGROUND COLOR | BLACK FIGURES ON WHITE BACKGROUND |
| DIAL SIZE | 2-3/4 IN. DIA |
| SCALE MARKING | ABSOLUTE PRESSURE,IN. OF MERCURY |
| POINTER TYPE | INDICATING |
| ADJUSTABILITY | ADJUSTABLE |
| POINTER COLOR | BLACK |
| CASE MATERIAL | ALUMINUM |
| CASE SURFACE TREATMENT | ANODIZED |
| OVERALL DIAMETER | 3.750 INCHES NOMINAL |
| OVERALL DEPTH | 3.187 INCHES NOMINAL |
| BEZEL TYPE | NB ANY ACCEPTABLE |
| MATERIAL | ALUMINUM |
| SURFACE TREATMENT | ANODIZE |
| PROTECTIVE CRYSTAL MATERIAL | GLASS |
| CONNECTION QUANTITY | 1 |
| CONNECTION TYPE | INTERNAL |
| CONNECTION LOCATION | Z ANY ACCEPTABLE |
| CONNECTION SIZE | 1/8 IN. NPT |
| MOUNTING METHOD | FLUSH PANEL |
| BOLT CIRCLE DIAMETER | 3.500 INCHES NOMINAL |
| MOUNTING HOLE QUANTITY | 4 |
| MOUNTING HOLE DIAMETER | 0.173 INCHES NOMINAL |
| CONNECTOR TYPE VENT | NOT PROVIDED |