NSN 6685-00-494-7857
Part Details | DIAL INDICATING COMPOUND PRESSURE-VACUUM GAGE
6685-00-494-7857 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indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.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: MILG18997, MIL-G-18997, SC3NN6HCWRONAG, G2780, G27-80, SA233CIFLWBX, SA23-3CIF-LWBX, 6685-00-494-7857, 00-494-7857, 6685004947857, 004947857
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | MAR 23, 1972 | 00-494-7857 | 07424 ( GAGE, COMPOUND PRESSURE-VACUUM, DIAL INDICATING ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-494-7857
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MIL-G-18997 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| SC3NN6HCWRONAG | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| G27-80 | 64467 | WEKSLER GLASS THERMOMETER CORP |
| SA23-3CIF-LWBX | 64467 | WEKSLER GLASS THERMOMETER CORP |
Technical Data | NSN 6685-00-494-7857
| Characteristic | Specifications |
|---|---|
| ACTUATION TYPE | SINGLE BOURDON TUBE |
| ACTUATING ELEMENT MATERIAL | NICKEL COPPER ALLOY |
| SCALE TYPE | MULTIPLE |
| SCALE NAME | PRESSURE-VACUUM |
| SCALE RANGE | +0.0 TO +30.0 INCHES OF MERCURY AND +0.0 TO +600.0 POUNDS PRESSURE PER SQUARE INCH |
| SCALE ACCURACY | 1 PERCENT OF RANGE SPAN |
| GRADUATION UNIT | 30.0 INCHES OF MERCURY AND 100.0 POUNDS PER SQUARE INCH |
| SCALE SMALLEST INCREMENT | 5.0 POUNDS PER SQUARE INCH |
| SCALE INSCRIPTION/BACKGROUND COLOR | BLACK FIGURES,WHITE BACKGROUND |
| DIAL SIZE | 3-1/2 INCH DIAMETER |
| SCALE MARKING | SHOCK RESISTANT |
| POINTER TYPE | INDICATING AND REFERENCE |
| ADJUSTABILITY | ADJUSTABLE |
| POINTER COLOR | BLACK AND RED |
| SCALE NAME FOR WHICH POINTER IS DESIGNED | PRESSURE-VACUUM |
| CASE MATERIAL | ALUMINUM ALLOY |
| CASE SURFACE TREATMENT | ENAMEL, GRAY |
| OVERALL DIAMETER | 3.969 INCHES NOMINAL |
| OVERALL DEPTH | 2.406 INCHES NOMINAL |
| PROTECTIVE CRYSTAL MATERIAL | PLASTIC, MIL-P-5425 |
| CONNECTION QUANTITY | 1 |
| CONNECTION TYPE | EXTERNAL |
| CONNECTION LOCATION | B ANY ACCEPTABLE |
| CONNECTION SIZE | 0.250 IN. TUBE |
| MOUNTING METHOD | SURFACE |
| BOLT CIRCLE DIAMETER | 4.250 INCHES NOMINAL |
| MOUNTING HOLE QUANTITY | 3 |
| MOUNTING HOLE DIAMETER | 0.219 INCHES NOMINAL |
| CONNECTOR TYPE VENT | NOT PROVIDED |