4820-00-086-1881

Find complete technical information, availability, and procurement data for: 4820-00-086-1881
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-086-1881

Item Name Code

05492

Assigment Date

12/20/1967 (58 years ago)

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.

identical second end relationship with first end, threaded external pipe first end connection type, straight thru body style, plain first end style designator, right-hand first end thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: straight thru
First End Connection Type: threaded external pipe
First End Style Designator: plain
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: bellows
End Connection Quantity: 2
Capillary Tube Length: 60.000 inches nominal
Bulb Length: 8.000 inches nominal
Temp Adjustability: adjustable
Thermostatic Element: liquid immersion type
Thread Size And Series/Type Designator: 1-11-1/2 npt first end

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
98791B39	Temperature Regulating Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-086-1881?

The FSCG of the NSN 4820-00-086-1881 is 4820

Does the NSN 4820-00-086-1881 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-086-1881 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-00-086-1881 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-086-1881 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-00-086-1881 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Dec 20, 1967