Part Details | MERCURIAL BAROMETER
6685-00-945-4963 A barometer consisting of a column of mercury which rises and falls within a tube due to variations of atmospheric pressure.
Alternate Parts: 10A131, 10A1-31, 6685-00-945-4963, 00-945-4963, 6685009454963, 009454963
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | FEB 25, 1966 | 00-945-4963 | 01072 ( BAROMETER, MERCURIAL ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-945-4963
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10A1-31 | 30120 | IDEAL AEROSMITH, INC. |
Technical Data | NSN 6685-00-945-4963
| Characteristic | Specifications |
|---|---|
| CISTERN TYPE | ADJUSTING SCREW |
| TUBE BORE DIAMETER | 0.631 INCHES NOMINAL |
| SCALE RANGE | -1000.0 TO +80000.0 FEET OF ALTITUDE AND +0.0 TO +800.0 MILLIMETERS OF MERCURY |
| GRADUATION UNIT | 0.001 MILLIMETERS |
| OVERALL HEIGHT | 47.000 INCHES NOMINAL |
| SPECIAL FEATURES | LARGE BORE PRECISION TUBE; CISTERN TO TUBE RATION 50:1; SCALES AND VERNIER MATERIAL HEAVY BRASS, ENGINE DIVIDED AND ENGRAVED; VERNIERS READABLE TO 0.05 MM; BUILT TO MIL-B-4308; UNIVERSAL COMPENSATION; MANUAL 2 SPEED CABLE DRIVE; CAN BE OUTFITTED WITH A ELECTRONIC NULL INDICATOR; ELECTRICAL 115 VAC, 60 HZ; BASE 10.5 BY 10.5 INCHES; ACCURACY +/- 0.003 INCHES HG WITH CORRECTION CARD, +/- 0.005 INCHES HG WITHOUT CORRECTION CARD; REPEATABILITY 0.002 INCHES HG; SENSITIVITY 0.001 INCHES HG; BASE CAST ALUMINUM; TUBE PYREX; INCLUDES NEEDLE VALVE AND DUAL SCANNER PLATES |
| SUPPLEMENTARY FEATURES | MANUFACTURERS NAME: MERCURIAL ALTITUDE TEST BAROMETER |
| FUNCTIONAL DESCRIPTION | USED FOR THE TEST AND CALIBRATION OF ALTIMETERS, MACH INDICATORS, AIR SPEED INDICATORS, PRESSURE GAGES AND OTHER TYPES OF EQUIPMENT USING PNEUMATIC PRESSURE AS A SOURCE OF OPERATION |