4820-00-684-3907

Find complete technical information, availability, and procurement data for: 4820-00-684-3907
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-684-3907

Item Name Code

05492

Assigment Date

01/01/1961 (65 years ago)

internal bypass valve furnished items, threaded internal pipe first end connection type, straight thru body style, right-hand first end thread direction, optional end first end style designator

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
Furnished Items: internal bypass valve
First End Connection Type: threaded internal pipe
First End Style Designator: optional end
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: disk, bottom guided
End Connection Quantity: 2
Two-Way Valve Action: direct acting
Bulb Length: 10.312 inches nominal
Bulb Diameter: 0.750 inches nominal
Temp Adjustability: adjustable
Thermostatic Element: liquid immersion type
Temp Rating: 250.0 fahrenheit nominal
Special Features: with liquid filled thermostat w/element integral w/valve; 18.6 gpm water at @40.0 psi inlet pressure; for 40.0 psi sea water cooling service
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Material: copper bulb
Thread Size And Series/Type Designator: 1/2-14 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
1708543-1	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-684-3907?

The FSCG of the NSN 4820-00-684-3907 is 4820

Does the NSN 4820-00-684-3907 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-684-3907 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 4820-00-684-3907 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-684-3907 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 4820-00-684-3907 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961