Model: 20/5.4.2.1 ALT4

Temperature Regulating Valve

Properties:

Body Material
Aluminum
Body Style
Straight thru
Stem Material
Steel, corrosion resisting
First End Connection Type
Threaded internal pipe
First End Style Designator
Plain
First End Thread Size And Series/type Designator
1/4-18 npt
First End Thread Direction
Right-hand
Second End Relationship With First End
Identical
Seat Material
Plastic, polyamide
Flow Control Device
Double seated
End Connection Quantity
2
Two-way Valve Action
Direct acting
Capillary Tube Length
120.000 inches
Bulb Length
7.735 inches
Bulb Diameter
0.625 inches
Bulb Material
Copper alloy
Tempurature Adjustability
Not adjustable
Thermostatic Element
Liquid immersion type
End Application
Strategic sealift conversion ships class
Tempurature Rating
Between 70.0 degrees fahrenheit and 170.0 degrees fahrenheit
NSN
4820-01-440-4781
Part Number
20/5.4.2.1 ALT4
Description
Valve,regulating,temperature
CAGE
35795

A self-acting valve designed for controlling, by means of a thermostatic element, the flow of liquids or gases therethrough. The thermostatic element is located in liquid or gas whose temperature is controlled by the heat of the liquid or gas flowing through the valve. See also valve, relief, pressure and temperature.

Part 20/5.4.2.1 ALT4 NSN 4820-01-440-4781

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05492
FIIG:
A21100
Concept No.:
1
App. Key:
E
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:
N
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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481809015
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level

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