Model: 31854-12A

Dial Indicating Pressure Gage

Properties:

Overall Depth
3.000 inches
Bolt Circle Diameter
3.500 inches
Mounting Hole Diameter
0.170 inches
Mounting Hole Quantity
4
Overall Diameter
3.375 inches
Case Material
Any acceptable
Case Surface Treatment
Dull black
Usage Design
For manifolds of aircraft engines
Graduation Unit
10.0 inches
Actuation Type
Diaphragm
Adjustability
Adjustable
Scale Range
+10.000/+75.000 inches of mercury
Scale Range
+10.000 to 75.000 inches of mercury
Scale Name
Pressure
Dial Size
2-3/4 in. Dia
Connection Quantity
2
Pointer Marking
1; 2
Pointer Color
Black w/fluorescent tip both pointer
Pointer Type
Indicating
Scale Marking
Man inches mercury absolute/
Scale Marking
/man inches mercury absolute/
Scale Type
Single
Scale Smallest Increment
1.0 inches
Connection Type
Internal
Mounting Method
Flush panel
Actuating Element Material
Any acceptable
Scale Inscription/background Color
Numerals 10, 70 and 75 green, numerals 20, 30, 40, 50 and 60 fluorescent on black background
Scale Name For Which Pointer Is Designed
Pressure
Connection Location
Back
Bezel Type
Slips-on
Protective Crystal Material
Glass
Connection Size
7/16-20 unf or nf class 3 fit or 3b thd
Connector Type Vent
Not provided
Material
Brass
Material
Copper alloy
Surface Treatment
Dull black
NSN
6620-00-515-5801
Part Number
31854-12A
Description
Gage,pressure,dial Indicating
CAGE
50992

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.

Part 31854-12A NSN 6620-00-515-5801

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
07428
FIIG:
T179-B
Concept No.:
App. Key:
BA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
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:
652
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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