Product Details | DIAL INDICATING PRESSURE GAGE

6685-00-055-7656 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: H0078, 9DP03000PSI, 9DP0-3000PSI, 6685-00-055-7656, 00-055-7656, 6685000557656, 000557656

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

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1963 00-055-7656

Cross Reference | NSN 6685-00-055-7656

Part Number Cage Code Manufacturer
9DP0-3000PSI 38508 DESCO CORP MARSH BELLOFRAM DIV
H0078 01170 BELLOFRAM CORPORATION DBA MARSH-BELLOFRAM
H0078 38508 DESCO CORP MARSH BELLOFRAM DIV

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Technical Data | NSN 6685-00-055-7656

Characteristic Specifications
ACTUATION TYPE BOURDON TUBE
ACTUATING ELEMENT MATERIAL STEEL, ALLOY
SCALE TYPE SINGLE
SCALE NAME PRESSURE
SCALE RANGE 0.0 TO 3000.0 POUNDS PRESSURE PER SQUARE INCH
SCALE ACCURACY PORM 1 PCT FULL SCALE
GRADUATION UNIT 500.0 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT 100.0 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLOR BLACK MARKINGS ON WHITE BACKGROUND
DIAL SIZE 3-1/2 IN. DIA
SCALE MARKING HYDRAULIC GAGE
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK
CASE MATERIAL STEEL
CASE SURFACE TREATMENT DICHROMATE AND ENAMEL, BLACK
OVERALL DIAMETER 3.719 INCHES NOMINAL
OVERALL DEPTH 1.562 INCHES NOMINAL
BEZEL TYPE SLIPS-ON
MATERIAL STEEL
SURFACE TREATMENT ANY ACCEPTABLE
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY 1
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION BOTTOM
CONNECTION SIZE 0.250 IN. NPT DIA
MOUNTING METHOD SURFACE
CONNECTOR TYPE VENT NOT PROVIDED
MANUFACTURERS CODE 38508
DESIGN CONTROL REFERENCE H0078

Restrictions/Controls & Freight Information | NSN 6685-00-055-7656

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
NMF Description 121570 GAGES AIR LIQUID LEVEL PRESSURE
Less than car load rating
Less than truck load rating J 100.2
Water commodity Code 653 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable