NSN 6685-00-228-3781

Part Details | DIAL INDICATING COMPOUND PRESSURE-VACUUM GAGE

6685-00-228-3781 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indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.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: 844U, 644U, C844U, 1119987, 1-119987, 6685-00-228-3781, 00-228-3781, 6685002283781, 002283781

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66FEB 14, 196900-228-378107424 ( GAGE, COMPOUND PRESSURE-VACUUM, DIAL INDICATING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-228-3781
Part Number Cage Code Manufacturer
844U31061AMETEK, INC.DBA AMETEK INC.-PROCESS AND
644U61349AMETEK, INC.DIV AEROSPACE & DEFENSE
C844U61349AMETEK, INC.DIV AEROSPACE & DEFENSE
1-11998755026SIMPSON ELECTRIC COMPANY
Technical Data | NSN 6685-00-228-3781
Characteristic Specifications
ACTUATION TYPE SINGLE BOURDON TUBE
ACTUATING ELEMENT MATERIAL PHOSPHOR BRONZE
SCALE TYPE MULTIPLE
SCALE NAME PRESSURE-VACUUM
SCALE RANGE+0.0 TO +30.0 INCHES OF MERCURY AND +0.0 TO +15.0 POUNDS PRESSURE PER SQUARE INCH
SCALE ACCURACY2 PCT MIDDLE HALF OF RANGE
GRADUATION UNIT5.0 INCHES AND 3.0 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT1.0 INCHES AND 1.0 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLORBLACK FIGURES ON WHITE BACKGROUND
DIAL SIZE2 IN. DIA
POINTER TYPE INDICATING
ADJUSTABILITY NONADJUSTABLE
POINTER COLOR BLACK
SCALE NAME FOR WHICH POINTER IS DESIGNED PRESSURE-VACUUM
CASE MATERIAL STEEL
CASE SURFACE TREATMENT ENAMEL, BLACK
OVERALL DIAMETER2.250 INCHES NOMINAL
OVERALL DEPTH1.220 INCHES NOMINAL
MATERIAL STEEL
SURFACE TREATMENT ENAMEL
BEZEL TYPENC ANY ACCEPTABLE
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY1
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION BACK, CENTER
CONNECTION SIZE0.156 IN. DIA HOSE
MOUNTING METHODRY ANY ACCEPTABLE AND E ANY ACCEPTABLE AND BC ANY ACCEPTABLE
STUD QUANTITY2
STUD LOCATIONZ ANY ACCEPTABLE
CONNECTOR TYPE VENT NOT PROVIDED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED IN ACTUATING ELEMENT DATA,MULTIPLE READING SCALE,DIAL DATA,CASE DATA,GLASS PROTECTIVE CRYSTAL,AND CONNECTION DATA