NSN 6685-00-074-2288

Part Details | DIAL INDICATING ABSOLUTE PRESSURE GAGE

6685-00-074-2288 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: KTA020, KTA-0-20, R14991, R1499-1, S167015004001, S1670-15004-001, 6685-00-074-2288, 00-074-2288, 6685000742288, 000742288

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-074-228807420 ( GAGE, ABSOLUTE PRESSURE, DIAL INDICATING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-074-2288
Part Number Cage Code Manufacturer
KTA-0-2020722ENTWISTLE COMPANY, THE
R1499-154878ROTAIR INDUSTRIES, INC.
S1670-15004-00178286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 6685-00-074-2288
Characteristic Specifications
ACTUATION TYPE BELLOWS
ACTUATING ELEMENT MATERIAL BERYLLIUM COPPER
SCALE TYPE MULTIPLE
SCALE NAME PRESSURE
SCALE RANGE+0.0 TO +32.0 INCHES OF MERCURY AND +0.0 TO +20.0 POUNDS PRESSURE PER SQUARE INCH
SCALE ACCURACY1 PART IN 300
GRADUATION UNIT10.0 INCHES OF MERCURY AND 5.0 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT0.5 INCHES OF MERCURY AND 0.25 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLORBLACK FIGURES ON WHITE BACKGROUND
DIAL SIZE2-5/8 IN. DIA
SCALE MARKINGABSOLUTE PRESSURE
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK
SCALE NAME FOR WHICH POINTER IS DESIGNED PRESSURE
CASE MATERIAL ALUMINUM
CASE SURFACE TREATMENT ANODIZED
OVERALL DIAMETER4.000 INCHES NOMINAL
OVERALL DEPTH3.625 INCHES NOMINAL
PROTECTIVE CRYSTAL MATERIAL PLASTIC
CONNECTION QUANTITY1
CONNECTION TYPE EXTERNAL
CONNECTION LOCATIONZ ANY ACCEPTABLE
CONNECTION SIZE0.125 IN. NPT DIA
MOUNTING METHOD SEMIFLUSH PANEL
BOLT CIRCLE DIAMETER3.500 INCHES NOMINAL
MOUNTING HOLE QUANTITY3
MOUNTING HOLE DIAMETER0.173 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED