4820-00-365-6256

Find complete technical information, availability, and procurement data for: 4820-00-365-6256
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-365-6256

Item Name Code

05487

Assigment Date

01/01/1961 (65 years ago)

An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

disk flow control device, spring disk loading method, 2b 1st end thread class, right-hand 1st end thread direction, right-hand 2nd 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.

Thread Class: 2b 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: inverted flare (tube) 1st end
Connection Style: plain (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded internal tube 1st end
Mounting Position: horizontal or vertical
Nominal Thread Size: 0.250 inches 2nd end
Nominal Thread Size: 0.625 inches 1st end
Seat Angle: 30.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 0.375 inches 1st end
Material: copper alloy and steel body
Material: steel flow control device
Style Designator: straight thru
Thread Series Designator: npt 2nd end
Thread Series Designator: unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4310-00-152-7061	No Name Available	06/01/1976
4810-01-216-5009	No Name Available	06/01/1999

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
30291801	Check Valve
3A650	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-365-6256?

The FSCG of the NSN 4820-00-365-6256 is 4820

Does NSN 4820-00-365-6256 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 4820-00-365-6256 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-365-6256 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 4820-00-365-6256 was assigned to the Federal Catalog?

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