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

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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

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