Product Details | DIAL INDICATING COMPOUND PRESSURE-VACUUM GAGE

6685-00-388-8349 An instrument designed to measure and indicate pressure and vacuum, on one dial having a divided scale, a single indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.

Part Alternates: 200C, 6685-00-388-8349, 00-388-8349, 6685003888349, 003888349

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

Supply Group (FSG) NSN Assign. NIIN
66 25 MAR 1974 00-388-8349

Cross Reference | NSN 6685-00-388-8349

Part Number Cage Code Manufacturer
200C 01170 BELLOFRAM CORPORATION DBA MARSH-BELLOFRAM
200C 38508 DESCO CORP MARSH BELLOFRAM DIV

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Technical Data | NSN 6685-00-388-8349

Characteristic Specifications
ACTUATION TYPE SINGLE BOURDON TUBE
ACTUATING ELEMENT MATERIAL COPPER ALLOY
SCALE TYPE SINGLE
SCALE NAME PRESSURE
SCALE RANGE 0.000 TO 200.000 POUNDS PER SQUARE INCH
SCALE ACCURACY 1/2 OF 1 PCT OF SCALE RANGE
GRADUATION UNIT 20.0 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT 1.0 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLOR BLACK FIGURES ON WHITE BACKGROUND
DIAL SIZE 4-1/2 IN. DIA
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK
CASE MATERIAL STEEL
CASE SURFACE TREATMENT ENAMEL, BLACK
OVERALL DIAMETER 6.187 INCHES NOMINAL
OVERALL DEPTH 1.891 INCHES NOMINAL
BEZEL TYPE THREAD
MATERIAL STEEL
SURFACE TREATMENT ENAMEL, BLACK
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY 1
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION BOTTOM
CONNECTION SIZE 1/4 IN. NPT
MOUNTING METHOD FLANGE BASE
BOLT CIRCLE DIAMETER 5.688 INCHES NOMINAL
MOUNTING HOLE QUANTITY 3
MOUNTING HOLE DIAMETER 0.219 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED

Restrictions/Controls & Freight Information | NSN 6685-00-388-8349

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