Product Details | DIAL INDICATING PRESSURE GAGE

6685-00-526-4257 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: AD94, 6685-00-526-4257, 00-526-4257, 6685005264257, 005264257

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

Supply Group (FSG) NSN Assign. NIIN
66 01-JAN-63 00-526-4257

Cross Reference | NSN 6685-00-526-4257

Part Number Cage Code Manufacturer
1-ABC-21040-AFA-001 01170 BELLOFRAM CORPORATION DBA MARSH-BELLOFRAM
1-ABC-21040-AFA-001 38508 DESCO CORP MARSH BELLOFRAM DIV
1-ABC-21060-AFA-121 38508 DESCO CORP MARSH BELLOFRAM DIV
101485-2 56190 METADURE PARTS & SALES, INC. DBA METADURE PARTS & SALES
15252-1 89939 TIME MFG CO
1DFMRS80 01170 BELLOFRAM CORPORATION DBA MARSH-BELLOFRAM
1DFMRS80 38508 DESCO CORP MARSH BELLOFRAM DIV
2 1-2 1DFM1-8-300RBRS80 01170 BELLOFRAM CORPORATION DBA MARSH-BELLOFRAM
2 1-2 1DFM1-8-300RBRS80 38508 DESCO CORP MARSH BELLOFRAM DIV
2 1-2 1DFM1-8CBM300RBRS80 38508 DESCO CORP MARSH BELLOFRAM DIV
ABC21060-AFA-121 38501 ROBIN AEROSPACE PRODUCTS LTD
AD94 78830 TROPIC-AIRE CARRIER DIVISION OF MC GRAW-EDISON CO
G10137 72100 LIFTEC INC DIV LIFTEC, INC.
WA6087-1 50386 WESTCO COMPRESSOR SERVICE INC

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Technical Data | NSN 6685-00-526-4257

Characteristic Specifications
ACTUATION TYPE SINGLE BOURDON TUBE
ACTUATING ELEMENT MATERIAL PHOSPHOR BRONZE
SCALE TYPE SINGLE
SCALE NAME PRESSURE
SCALE RANGE 0.000 TO 300.000 POUNDS PRESSURE PER SQUARE INCH
SCALE ACCURACY 2 PCT MIDDLE HALF OF RANGE
GRADUATION UNIT 30.000 POUNDS
SCALE SMALLEST INCREMENT 5.000 POUNDS
SCALE INSCRIPTION/BACKGROUND COLOR WHITE FIGURES ON BLACK BACKGROUND
DIAL SIZE 2-1/2 IN. DIA
SCALE MARKING FREON DISCHARGE PRESSURE
POINTER TYPE INDICATING
ADJUSTABILITY NONADJUSTABLE
POINTER COLOR WHITE
CASE MATERIAL STEEL
CASE SURFACE TREATMENT ENAMEL
OVERALL DIAMETER 2.813 INCHES NOMINAL
OVERALL DEPTH 1.078 INCHES NOMINAL
BEZEL TYPE SLIPS-ON
MATERIAL BRASS
SURFACE TREATMENT ENAMEL, BLACK
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY 1
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION BACK
CONNECTION SIZE 1/8 IN. NPT
MOUNTING METHOD FLUSH PANEL AND STUD AND BRACKET
STUD QUANTITY 2
STUD LOCATION IN BACK
CONNECTOR TYPE VENT NOT PROVIDED
III USAGE DESIGN W/FREON
III FSC APPLICATION DATA GAGE,PRESSURE,DIAL,IDNIDATING,EXC EPT ENGINE
MANUFACTURERS CODE 78830
DESIGN CONTROL REFERENCE AD94

Restrictions/Controls & Freight Information | NSN 6685-00-526-4257

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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