6625-01-034-4077 CASE,ELECTRICAL-ELECTRONIC TEST Index 6625-01-034-4079 AMMETER

National Stock Number:
6685-01-034-4078

Federal Supply Class:
6685

National Item Identification Number:
010344078

Description:
GAGE,PRESSURE,DIAL INDICATING

Detail:
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.


Manufacturer Information:
29-28931-238508DESCO CORP MARSH BELLOFRAM DIV
29-28931-281205THE BOEING COMPANY


Techincal Specification:
SCALE RANGE0.0 TO 30.0 POUNDS PRESSURE PER SQUARE INCH
CONNECTOR TYPE VENTNOT PROVIDED
ACTUATION TYPEBOURDON TUBE
ACTUATING ELEMENT MATERIALCOPPER ALLOY
SCALE TYPEDIAL AND
SINGLE
SCALE NAMEPOUNDS PRESSURE
SCALE ACCURACY0.25 PCT ENTIRE RANGE
GRADUATION UNIT5.0 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT0.25 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLORBLACK MARKINGS ON WHITE BACKGROUND, LETTERS TO BE RED COLOR
DIAL SIZE4-1/2 IN.DIA
SCALE MARKINGBRINE ONLY
POINTER TYPEINDICATING
ADJUSTABILITYADJUSTABLE
POINTER COLORBLACK
CASE MATERIALALUMINUM ALLOY
CASE SURFACE TREATMENTPAINT, EPOXY
OVERALL DIAMETER4.812 INCHES MINIMUM AND
4.969 INCHES MAXIMUM
OVERALL DEPTH1.672 INCHES MINIMUM AND
2.156 INCHES MAXIMUM
CONNECTION QUANTITY1
CONNECTION TYPEEXTERNAL
CONNECTION LOCATIONBOTTOM
CONNECTION SIZE7/16-20 UNJF-3A
MOUNTING METHODRIGID STEM
MOUNTING CONNECTION LOCATIONBOTTOM
ACCESSORY COMPONENTS AND QUANTITYCAP 1
RELATIONSHIP TO SIMILAR EQUIPMENT6685-00-201-8933 AIR OR WATER ONLY
REFERENCE DATA AND LITERATUREBOEING DWG 29-28931
SPECIAL FEATURESTECH ORDER 21M-LGM30F-4-4 FIG 4-155


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