NSN 6685-00-077-8490

Part Details | DIAL INDICATING ABSOLUTE PRESSURE GAGE

6685-00-077-8490 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: 2772921, 277292-1, 2772921, 277292-1, 6685-00-077-8490, 00-077-8490, 6685000778490, 000778490

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-077-849007420 ( GAGE, ABSOLUTE PRESSURE, DIAL INDICATING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-077-8490
Part Number Cage Code Manufacturer
277292-172599ALLIEDSIGNAL INCDBA ALLIED-SIGNAL AEROSPACE CO
277292-170210HONEYWELL INTERNATIONAL INC.DBA HONEYWELL
Technical Data | NSN 6685-00-077-8490
Characteristic Specifications
ACTUATION TYPE DIAPHRAGM
SCALE TYPE SINGLE
SCALE NAME PRESSURE
SCALE RANGE+0.000 TO +31.500 INCHES OF MERCURY
SCALE ACCURACY0.10 OF 1 PCT ENTIRE RANGE
GRADUATION UNIT1.0 INCHES
SCALE SMALLEST INCREMENT0.05 INCHES
SCALE INSCRIPTION/BACKGROUND COLORBLACK FIGURES ON WHITE BACKGROUND
DIAL SIZE8-1/2 IN. DIA
SCALE MARKINGABSOLUTE PRESSURE AND INCHES OF MERCURY
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK
CASE MATERIAL ALUMINUM
CASE SURFACE TREATMENT ANODIZED
OVERALL DIAMETER10.688 INCHES NOMINAL
OVERALL DEPTH4.875 INCHES NOMINAL
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY1
CONNECTION TYPE INTERNAL
CONNECTION LOCATIONB ANY ACCEPTABLE
CONNECTION SIZE1/8 NPT
MOUNTING METHOD FLUSH PANEL
BOLT CIRCLE DIAMETER10.125 INCHES NOMINAL
MOUNTING HOLE QUANTITY3
MOUNTING HOLE DIAMETER0.375 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED