Product Details | DIAL INDICATING PRESSURE GAGE

6685-00-542-1278 An instrument designed to measure air, gas, fluid, and vapor pressure by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) which transmits energy, by direct linkage, to the indicating pointer of a scale or a digital display, calibrated in units of pressure. It may include a temperature equivalent scale. For items that do not have an internal pressure sensitive element see INDICATOR, PRESSURE.205138600004220000042400027Safety and Rescue Equipment66200018Engine Instruments66850073Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Part Alternates: 6685-00-542-1278, 00-542-1278, 6685005421278, 005421278

Instruments and Laboratory Equipment | Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Supply Group (FSG) NSN Assign. NIIN
66 00-542-1278

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Technical Data | NSN 6685-00-542-1278

Characteristic Specifications
ACTUATION TYPE DIAPHRAGM
ACTUATING ELEMENT MATERIAL BRONZE
SCALE TYPE SINGLE
SCALE NAME PRESSURE
SCALE RANGE 0.0 TO 10.0 POUNDS PRESSURE PER SQUARE INCH
SCALE ACCURACY 1 PCT MIDDLE HALF OF RANGE,3 PCT REMAINDER
GRADUATION UNIT 1.0 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT 0.125 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLOR BLACK FIGURES ON WHITE BACKGROUND
DIAL SIZE 2-1/2 IN. DIA
POINTER TYPE INDICATING
ADJUSTABILITY NONADJUSTABLE
POINTER COLOR BLACK
CASE MATERIAL STEEL
CASE SURFACE TREATMENT ENAMEL
OVERALL DIAMETER 3.469 INCHES NOMINAL
OVERALL DEPTH 1.250 INCHES NOMINAL
BEZEL TYPE SLIPS-ON
MATERIAL STEEL
SURFACE TREATMENT ENAMEL
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY 1
CONNECTION TYPE INTERNAL
CONNECTION LOCATION BACK
CONNECTION SIZE 0.125 IN. NPT DIA
MOUNTING METHOD FLUSH PANEL
BOLT CIRCLE DIAMETER 3.000 INCHES NOMINAL
MOUNTING HOLE QUANTITY 3
MOUNTING HOLE DIAMETER 0.140 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED

Restrictions/Controls & Freight Information | NSN 6685-00-542-1278

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Category Code Description
No Freight Information