Model: 3431

Plug Humidity Indicator

Special Features:

W/porous desiccant

Properties:

Thread Direction
Left-hand single end
Overall Height
4.000 inches
Overall Diameter
1.375 inches
End Connection Type
Flanged, recessed single end
Thready Qty Per Inch (tpi)
14 single end
Thread Size
0.750 inches single end
Desiccant Spot Humidity Percentage
20.0 and 30.0 and 40.0
Material
Aluminum alloy 2017 or aluminum alloy 2024
Material Specification
Mil-i-26860 type 2 military specification 1st material response
Style Designator
Plug
Thread Series Designator
Npt single end
NSN
6685-01-191-5025
Part Number
3431
Description
Indicator,humidity,plug
CAGE
00334

An item which uses the changing color of a desiccant in the presence of moisture to indicate humidity. The desiccant is in a plug through which the color may be observed and compared with a chart.

Part 3431 NSN 6685-01-191-5025

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08357
FIIG:
A43400
Concept No.:
App. Key:
C
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9025805050
  • SITC: 87455
  • End Use: Measuring, testing, control instruments
  • NAICS: 334519
  • USDA: 1

Freight Class: Hydrometers and similar floating instruments,hygrometers and psychrometers, nesoi

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