Temperature Regulating Valve NSN 4820-01-499-2508

Item Description

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.

NSN: 4820-01-499-2508

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Features and Characteristics

Body Material

Bronze, astm b61

Body Style

Straight thru

Stem Material

Steel, corrosion resisting, qq-s-763, class 302, 303, 304, 305, 310, or 316

Furnished Items

Tailpiece w/grooves and union nut

First End Connection Type

Unthreaded internal tube

First End Style Designator

Socket w/brazing ring

First End Outside Diameter Tube Accommodated

0.500 inches

Second End Relationship With First End

Identical

Seat Material

Bronze, astm b61

Face To Face Distance

6.000 inches

Packing Material

Plastic, polypropylene

Flow Control Device

Plunger with 2 disks

Flow Control Device Material

Steel, corrosion resisting, qq-s-763, class 302, 303, 304, 305, 310, or 316

End Connection Quantity

Two-way Valve Action

Reverse acting

Capillary Tube Length

12.000 inches

Bulb Diameter

1.875 inches

Tempurature Adjustability

Adjustable

Thermostatic Element

Liquid immersion type

Tempurature Rating

Between 60.0 degrees fahrenheit and 160.0 degrees fahrenheit

Part Name Assigned By Controlling Agency

1/2 inch style a failsafe double seat reverse acting thermostatic temperature regulator valve assembly.

Special Features

Gthis valve is type ii direct acting class 2 reverse acting series 250 valve iaw military dtl-19772. Shock and vibration approval by extension for light weight grade a class i flexible mounting fixture 4a.

Nondefinitive Specification/std Data

Pe ii, class 2 type

FSC

4820 Nonpowered Valves

NIIN

014992508

NSN

4820014992508

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MIL-DTL-19772

Cage Code:

81349

Status:

MSDS:

Part Number:

40735-401

Cage Code:

55378

Status:

MSDS:

Part Number:

40735-4 ASSY 40735-401

Cage Code:

55378

Status:

MSDS:

Part Number:

MIL-V-19772

Cage Code:

81349

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481809015
NAICS: 332911
SITC: 74780
Description: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-499-2508

What are the manufacturers of nsn 4820014992508?

Military Specifications (81349)
Trac Regulators Inc (55378)

Does this nsn 4820014992508 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014992508
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.

Does nsn 4820014992508 contain any precious metals?
No precious metal content.

Does nsn 4820014992508 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014992508?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

05492

FIIG:

A21100

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
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