4820-01-337-6476

Find complete technical information, availability, and procurement data for: 4820-01-337-6476
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-337-6476

Item Name Code

05492

Assigment Date

04/19/1991 (35 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.

unthreaded internal pipe first end connection type, 1.250 inches first end nominal pipe size accommodated, identical second end relationship with first end, reduced socket with one brazing ring first end style designator, straight thru body style

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: unthreaded internal pipe
First End Style Designator: reduced socket with one brazing ring
First End Nominal Pipe Size Accommodated: 1.250 inches
Second End Relationship With First End: identical
Flow Control Device: disk, bevel seat, bottom guided
End Connection Quantity: 2
Temp Adjustability: adjustable
End Item Identification: heating system onboard 378 ft whec class coast guard vessels
Temp Rating: 135.0 fahrenheit minimum and 165.0 fahrenheit maximum
Material: copper alloy 922 body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Material: steel corrosion resisting stem
Material Document And Classification: mil-b-16541 mil spec single material response body
Material Document And Classification: qq-s-763, class 302, 303, 304, 305, 310, or 316 fed spec single material response flow control device
Material Document And Classification: qq-s-763, class 302, 303, 304, 305, 310, or 316 fed spec single material response seat
Material Document And Classification: qq-s-763, class 302, 303, 304, 305, 310, or 316 fed spec single material response stem

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
40635-401	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-337-6476?

The FSCG of the NSN 4820-01-337-6476 is 4820

Does the NSN 4820-01-337-6476 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-337-6476 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 4820-01-337-6476 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-337-6476 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 4820-01-337-6476 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Apr 19, 1991