Model: 850-30

Di Compound Pressure-vacuum Gage

Properties:

Overall Depth
3.375 inches
Bolt Circle Diameter
4.750 inches
Mounting Hole Diameter
0.188 inches
Mounting Hole Quantity
2
Overall Diameter
5.188 inches
Case Material
Iron
Case Surface Treatment
Paint, black
Usage Design
For use w/glass and liquids noncorrosive to bronze
Graduation Unit
10.0 inches of mercury and 3.0 pounds per square inch
Actuation Type
Single bourdon tube
Adjustability
Nonadjustable
Scale Range
+0.0/+30.0 inches of mercury and +0.0/+15.0 pounds pressure per square inch
Scale Range
+0.0 to 30.0 inches of mercury and +0.0 to 15.0 pounds pressure per square inch
Scale Name
Pressure-vacuum
Dial Size
4-1/2 in. Dia
Connection Quantity
1
Pointer Color
Black
Pointer Type
Indicating
Scale Marking
Vac, press
Scale Type
Multiple
Scale Smallest Increment
1.0 inches of mercury and 0.5 pounds per square inch
Connection Type
External
Mounting Method
Surface wall
Scale Accuracy
1 pctupper 2/3 range, 1 pct upper 4/5 range
Actuating Element Material
Phosphor bronze
Scale Inscription/background Color
Black figures on white background
Scale Name For Which Pointer Is Designed
Pressure-vacuum
Connection Location
Lower back
Bezel Type
Slips-on
Protective Crystal Material
Glass
Connection Size
0.250 in. Npt
Connector Type Vent
Not provided
Material
Steel
Material
Steel
Surface Treatment
Paint
Surface Treatment
Paint, black
NSN
6685-00-514-4373
Part Number
850-30
Description
Gage,compound Pressure-vacuum,di
CAGE

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indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.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 850-30 NSN 6685-00-514-4373

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
07424
FIIG:
T179-B
Concept No.:
App. Key:
BA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
121570
UFC:
61770
LTL:
100.0
LCL:
100.0
WCC:
651
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 9026200000
  • SITC: 87435
  • End Use: Measuring, testing, control instruments
  • NAICS: 334513
  • USDA: 1

Freight Class: Instruments and apparatus for measuring or checking pressure

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