Product Details | DIAL INDICATING PRESSURE GAGE

6685-00-729-4901 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: 1279A, 9968759, 6685-00-729-4901, 00-729-4901, 6685007294901, 007294901

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

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1963 00-729-4901

Cross Reference | NSN 6685-00-729-4901

Part Number Cage Code Manufacturer
1279A 38056 ASHCROFT INC.
9968759 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 6685-00-729-4901

Characteristic Specifications
ACTUATION TYPE SINGLE BOURDON TUBE
ACTUATING ELEMENT MATERIAL PHOSPHOR BRONZE
SCALE TYPE SINGLE
SCALE NAME PRESSURE
SCALE RANGE 0.000 TO 1000.000 POUNDS PRESSURE PER SQUARE INCH
SCALE ACCURACY 1/2 OF 1 PCT ENTIRE RANGE
GRADUATION UNIT 100.0 POUNDS
SCALE SMALLEST INCREMENT 10.0 POUNDS
SCALE INSCRIPTION/BACKGROUND COLOR BLACK FIGURES ON WHITE BACKGROUND
DIAL SIZE 4-1/2 IN. DIA
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK
SCALE NAME FOR WHICH POINTER IS DESIGNED PRESSURE
CASE MATERIAL ALUMINUM ALLOY
CASE SURFACE TREATMENT FINISH, BLACK, CRACKLE
OVERALL DIAMETER 5.813 INCHES NOMINAL
OVERALL DEPTH 1.633 INCHES NOMINAL
BEZEL TYPE THREAD
MATERIAL ALUMINUM ALLOY
SURFACE TREATMENT FINISH, BLACK, CRACKLE
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY 1
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION LOWER
CONNECTION SIZE 1/4 IN. NPT
MOUNTING METHOD FLUSH PANEL
BOLT CIRCLE DIAMETER 5.370 INCHES NOMINAL
MOUNTING HOLE QUANTITY 3
MOUNTING HOLE DIAMETER 0.212 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED

Restrictions/Controls & Freight Information | NSN 6685-00-729-4901

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 J 100.2
Less than truck load rating J 100.2
Water commodity Code 651 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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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