NSN 6685-00-144-0979
Part Details | DIAL INDICATING ABSOLUTE PRESSURE GAGE
6685-00-144-0979 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: 251009KB02B040INHGXTSSSABDAAN, 25-1009KB02B0-40INHGXTSSSABDAAN, 71010401001, 6685-00-144-0979, 00-144-0979, 6685001440979, 001440979
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 19, 1973 | 00-144-0979 | 07420 ( GAGE, ABSOLUTE PRESSURE, DIAL INDICATING ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-144-0979
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 25-1009KB02B0-40INHGXTSSSABDAAN | 38056 | ASHCROFT INC. |
| 71010401001 | 89944 | KOLLSMAN, INC. |
Technical Data | NSN 6685-00-144-0979
| Characteristic | Specifications |
|---|---|
| ACTUATION TYPE | SINGLE BOURDON TUBE |
| ACTUATING ELEMENT MATERIAL | BRONZE |
| SCALE TYPE | SINGLE |
| SCALE NAME | ABSOLUTE PRESSURE |
| SCALE RANGE | +0.000 TO +40.000 INCHES OF MERCURY ABSOLUTE PRESSURE |
| SCALE ACCURACY | PORM 1 PCT ENTIRE RANGE |
| GRADUATION UNIT | 5.0 INCHES OF MERCURY |
| SCALE SMALLEST INCREMENT | 1.0 INCHES OF MERCURY |
| SCALE INSCRIPTION/BACKGROUND COLOR | BLACK FIGURES ON DULL SILVER BACKGROUND |
| DIAL SIZE | 2-1/2 IN. NOM DIA |
| SCALE MARKING | INCHES OF MERCURY ABSOLUTEPRESSURE |
| POINTER TYPE | INDICATING |
| ADJUSTABILITY | ADJUSTABLE |
| POINTER COLOR | BLACK |
| CASE MATERIAL | STEEL, CORROSION RESISTING |
| CASE SURFACE TREATMENT | POLISHED |
| OVERALL DIAMETER | 3.688 INCHES NOMINAL |
| OVERALL DEPTH | 2.062 INCHES NOMINAL |
| BEZEL TYPE | DG ANY ACCEPTABLE |
| MATERIAL | STEEL CORROSION RESISTING |
| PROTECTIVE CRYSTAL MATERIAL | GLASS |
| CONNECTION QUANTITY | 1 |
| CONNECTION TYPE | EXTERNAL |
| CONNECTION LOCATION | BACK, CENTER |
| CONNECTION SIZE | 1/4IN. NPT |
| MOUNTING METHOD | FLUSH PANEL |
| BOLT CIRCLE DIAMETER | 3.312 INCHES NOMINAL |
| MOUNTING HOLE QUANTITY | 3 |
| MOUNTING HOLE DIAMETER | 0.218 INCHES NOMINAL |
| CONNECTOR TYPE VENT | NOT PROVIDED |
| END ITEM IDENTIFICATION | CPU 46 AGE; 4920-00-230-6872 TEST SET; T.O. 33D7-3-140-1 |
