Product Details | DIAL INDICATING COMPOUND PRESSURE-VACUUM GAGE

6685-00-408-6664 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indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.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: 1379ACS, 6685-00-408-6664, 00-408-6664, 6685004086664, 004086664

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

Supply Group (FSG) NSN Assign. NIIN
66 27 APR 1974 00-408-6664

Cross Reference | NSN 6685-00-408-6664

Part Number Cage Code Manufacturer
1379ACS 38056 ASHCROFT INC.

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Technical Data | NSN 6685-00-408-6664

Characteristic Specifications
ACTUATION TYPE SINGLE BOURDON TUBE
ACTUATING ELEMENT MATERIAL PHOSPHOR BRONZE
SCALE TYPE MULTIPLE
SCALE NAME PRESSURE AND VACUUM
SCALE RANGE 0.000 TO 30.000 INCHES OF MERCURY AND 0.000 TO 30.000 POUNDS PER SQUARE INCH
SCALE ACCURACY 1/2 OF 1 PCT OF FULL SCALE RANGE
GRADUATION UNIT 10.000 INCHES OF MERCURY AND 5.000 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT 1.000 INCHES OF MERCURY AND 0.500 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLOR BLACK FIGURES ON WHITE BACKGROUND
DIAL SIZE 6 IN. DIA
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK
CASE MATERIAL ALUMINUM ALLOY
CASE SURFACE TREATMENT ENAMEL, BLACK
OVERALL DIAMETER 7.625 INCHES NOMINAL
OVERALL DEPTH 3.250 INCHES NOMINAL
BEZEL TYPE THREAD
MATERIAL ALUMINUM
SURFACE TREATMENT ENAMEL, BLACK
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY 1
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION BACK
CONNECTION SIZE 1/4 IN. NPT
MOUNTING METHOD FLUSH
BOLT CIRCLE DIAMETER 7.000 INCHES NOMINAL
MOUNTING HOLE QUANTITY 3
MOUNTING HOLE DIAMETER 0.281 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY SCALE RANGE
MANUFACTURERS CODE 38056
DESIGN CONTROL REFERENCE 1379ACS

Restrictions/Controls & Freight Information | NSN 6685-00-408-6664

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