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Pressure Temperature And Controlling Instruments
Dial Indicating Pressure Gages
Part R66861
Model #R66861
Dial indicating pressure gage (NSN 6685-00-403-4883)
Overall Depth
2.500 inches
Bolt Circle Diameter
4.250 inches
Mounting Hole Diameter
0.219 inches
Mounting Hole Quantity
3
Overall Diameter
4.750 inches
Case Material
Aluminum
Case Surface Treatment
Enamel
Graduation Unit
500.0 pounds
Actuation Type
Single bourdon tube
Adjustability
Adjustable
Scale Range
+0.000/+8000.000 pounds pressure per square inch
Scale Range
+0.000 to 8000.000 pounds pressure per square inch
Scale Name
Pressure
Dial Size
3-1/2 in. Dia
Connection Quantity
1
Pointer Color
Black and red
Pointer Type
Indicating and reference
Scale Marking
Dial marked use no oil
Scale Type
Single
Scale Smallest Increment
50.0 pounds
Connection Type
External
Mounting Method
Semiflush panel
Scale Accuracy
1 pct above 5 pct of range span
Actuating Element Material
Nickel copper alloy
Scale Inscription/background Color
Black figures on white background
Connection Location
Back
Protective Crystal Material
Plastic
Connection Size
0.250 in. Npt dia
Connector Type Vent
Not provided
Criticality Code Justification
Zzzy
Criticality Code Justification
Zzzw
Fsc Application Data
Gage, pressure, dial indicating, except engine
Departure From Cited Document
Cleaning, packaging, and marking iaw mil-std-1330d
Reference Number Differentiating Characteristics
Special clean for oxygen service
Description
Gage,pressure,dial Indicating
Cage Code
0AT62
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R66861
NSN 6685-00-403-4883
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Updated: 05/20/2024