Model: P644U

Di Compound Pressure-vacuum Gage

Properties:

Overall Depth
1.078 inches
Overall Diameter
2.813 inches
Case Material
Steel
Case Surface Treatment
Enamel, black
Graduation Unit
30.0 degrees fahrenheit and 25.0 pounds per square inch
Actuation Type
Single bourdon tube
Adjustability
Nonadjustable
Scale Range
+0.0/+30.0 inches of mercury and +25.0/+150.0 pounds pressure per square inch
Scale Range
+0.0 to 30.0 inches of mercury and +25.0 to 150.0 pounds pressure per square inch
Scale Name
Pressure and vacuum
Dial Size
2-1/2 in. Dia
Connection Quantity
1
Pointer Color
White
Pointer Type
Indicating
Scale Marking
Vac-press
Scale Type
Multiple
Scale Smallest Increment
5.0 inches and 5.0 pounds per square inch
Connection Type
External
Mounting Method
Flush panel
Stud Quantity
2
Scale Accuracy
2 percent rating middle half of range, 3 percent remainder; 3 percent rating entire range
Actuating Element Material
Phosphor bronze
Scale Inscription/background Color
White figures on black background
Scale Name For Which Pointer Is Designed
Pressure-vacuum
Connection Location
Back, center
Bezel Type
Pressed on type with retaining ring
Protective Crystal Material
Glass
Connection Size
0.125 in. Npt dia
Stud Location
In back
Connector Type Vent
Not provided
Material
Brass
Material
Copper alloy
Surface Treatment
Enamel
Surface Treatment
Enamel, black
NSN
6685-00-526-6931
Part Number
P644U
Description
Gage,compound Pressure-vacuum,di
CAGE
61349

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indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.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 P644U NSN 6685-00-526-6931

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:
--
WCC:
653
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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