Product Details | DIAL INDICATING PRESSURE GAGE

6685-00-684-1664 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: AA50F, AA5-0F, P644U, P844U, XF517, XF5-17, 101979, 3 1-2 5DFM1-4CBM6000RS72, 3125DFM14CBM6000RS72, 3W51612, 6685-00-684-1664, 00-684-1664, 6685006841664, 006841664

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

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1963 00-684-1664

Drawings & Photos | NSN 6685-00-684-1664


Demand History | NSN 6685-00-684-1664

Part Number Request Date QTY Origin
P844U 2015-04-91 2 Ecuador

Cross Reference | NSN 6685-00-684-1664

Part Number Cage Code Manufacturer
101979 61349 AMETEK, INC. DIV AEROSPACE & DEFENSE
3 1-2 5DFM1-4CBM6000RS72 38508 DESCO CORP MARSH BELLOFRAM DIV
3W51612 0AT62 DRESSER-RAND COMPANY DBA RECIPROCATING PRODUCTS DIV
3W51612 30760 INGERSOLL RAND CO
3W51612 88663 DRESSER-RAND CO INGERSOLL-RAND OPNS
AA5-0F 64467 WEKSLER GLASS THERMOMETER CORP
P644U 61349 AMETEK, INC. DIV AEROSPACE & DEFENSE
P844U 61349 AMETEK, INC. DIV AEROSPACE & DEFENSE
XF5-17 01170 BELLOFRAM CORPORATION DBA MARSH-BELLOFRAM
XF5-17 38508 DESCO CORP MARSH BELLOFRAM DIV

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Technical Data | NSN 6685-00-684-1664

Characteristic Specifications
ACTUATION TYPE SINGLE BOURDON TUBE
ACTUATING ELEMENT MATERIAL BERYLLIUM COPPER
SCALE TYPE SINGLE
SCALE NAME PRESSURE
SCALE RANGE 0.000 TO 6000.000 POUNDS PRESSURE PER SQUARE INCH
SCALE ACCURACY 2 PCT MIDDLE HALF OF SCALE,3 PCT REMAINDER OF SCALE
GRADUATION UNIT 500.0 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT 50.0 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLOR BLACK FIGURES,RED SHADED AREA BETWEEN 3200 AND 6000 LBS,WHITE BACKGROUND
DIAL SIZE 3-1/2 IN. DIA
SCALE MARKING DANGER HIGH FLOW HOSE LINE PRESSURE
POINTER TYPE INDICATING
ADJUSTABILITY NONADJUSTABLE
POINTER COLOR BLACK
CASE MATERIAL STEEL, DRAWN
CASE SURFACE TREATMENT PAINT, BLACK
OVERALL DIAMETER 3.938 INCHES NOMINAL
OVERALL DEPTH 1.438 INCHES NOMINAL
BEZEL TYPE PRESS FIT
MATERIAL STEEL
SURFACE TREATMENT ENAMEL
PROTECTIVE CRYSTAL MATERIAL PLASTIC
CONNECTION QUANTITY 1
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION BACK, CENTER
CONNECTION SIZE 0.250 IN. NPT DIA
MOUNTING METHOD CLAMP AND PANEL
CONNECTOR TYPE VENT NOT PROVIDED
SPECIAL FEATURES EQUIPPED WITH BLOW-OUT DISK IN BACK OF CASE,RESTRICTION SCREW FOR AIR PRESSURE SERVICE INSTALLED IN CONNECTION
III USAGE DESIGN W/ORFICE TYPE CHECK SCREW AND SAFETY BLOW OUT DISC
III FSC APPLICATION DATA GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE

Restrictions/Controls & Freight Information | NSN 6685-00-684-1664

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