Product Details | DIAL INDICATING PRESSURE GAGE

6685-01-068-7704 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: H6052, 6685-01-068-7704, 01-068-7704, 6685010687704, 010687704

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

Supply Group (FSG) NSN Assign. NIIN
66 01 DEC 1978 01-068-7704

Cross Reference | NSN 6685-01-068-7704

Part Number Cage Code Manufacturer
H6052 01170 BELLOFRAM CORPORATION DBA MARSH-BELLOFRAM
H6052 38508 DESCO CORP MARSH BELLOFRAM DIV

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Technical Data | NSN 6685-01-068-7704

Characteristic Specifications
ACTUATION TYPE BOURDON TUBE
ACTUATING ELEMENT MATERIAL COPPER ALLOY
SCALE TYPE DIAL
SCALE NAME PRESSURE
SCALE RANGE 0.000 TO 160.000 POUNDS PRESSURE PER SQUARE INCH
SCALE ACCURACY 1 PCT FULL RANGE
GRADUATION UNIT 20.000 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT 5.000 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLOR BLACK MARKINGS ON WHITE BACKGROUND
DIAL SIZE 4-1/2 IN. DIA
SCALE MARKING PRESSURE
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK
CASE MATERIAL STEEL
CASE SURFACE TREATMENT ENAMEL, BLACK AND ZINC CHROMATE
OVERALL DIAMETER 6.312 INCHES NOMINAL
OVERALL DEPTH 3.734 INCHES NOMINAL
PROTECTIVE CRYSTAL MATERIAL LAMINATED GLASS
CONNECTION QUANTITY 1
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION LOWER BACK
CONNECTION SIZE 0.250 NPT
MOUNTING METHOD FLUSH PANEL
BOLT CIRCLE DIAMETER 3.875 INCHES NOMINAL
STUD QUANTITY 2
STUD LOCATION BACK, CENTER
CONNECTOR TYPE VENT NOT PROVIDED
SPECIAL FEATURES W/ RECALIBRATOR
MANUFACTURERS CODE 38508
DESIGN CONTROL REFERENCE H6052

Restrictions/Controls & Freight Information | NSN 6685-01-068-7704

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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information