4820-01-339-6789

Find complete technical information, availability, and procurement data for: 4820-01-339-6789
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-339-6789

Item Name Code

05492

Assigment Date

05/28/1991 (35 years ago)

A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes:valve, regulating, feed water; valve, regulating, fluid pressure; valve, regulating, fuel oil; valve, regulating, oil pressure, automatic pilot; vavle, regulating, temperature; valve, angle; and valve, globe.

plain first end style designator, 5.000 inches nominal first end flange outside diameter, round w/ bolt holes first end flange shape style, straight thru body style, plain face flange first end connection type

Product Characteristics

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

First End Flange Outside Diameter: 5.000 inches nominal
Body Style: straight thru
First End Connection Type: plain face flange
First End Style Designator: plain
First End Flange Shape Style: round w/ bolt holes
First End Flange Thickness: 0.562 inches nominal
First End Bolt Hole Quantity: 4
First End Bolt Hole Diameter: 0.500 inches nominal
First End Bolt Circle Diameter: 3.875 inches nominal
Second End Relationship With First End: identical
Face To Face Distance: 5.500 inches nominal
Flow Control Device: poppet, dual disk
End Connection Quantity: 2
Temp Adjustability: not adjustable
End Item Identification: circulating and cooling system onboard 378 ft whec c.g. vessels
Temp Rating: 120.0 fahrenheit nominal
Special Features: valve has manual override feature which provides uninterrupted service if and when the thermostatic assembly fails
Material: copper alloy 922 body
Material Document And Classification: mil-b-16541 mil spec single material response body

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
40595-101	Temperature Regulating Valve
M008A0105-00	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-339-6789?

The FSCG of the NSN 4820-01-339-6789 is 4820

Does the NSN 4820-01-339-6789 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-339-6789 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 4820-01-339-6789 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-339-6789 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 4820-01-339-6789 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Tue, May 28, 1991