4820-01-201-0799

Find complete technical information, availability, and procurement data for: 4820-01-201-0799
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-201-0799

Item Name Code

10958

Assigment Date

02/12/1985 (41 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

2.000 inches nominal first end outside diameter tube accommodated, threaded external tube first end connection type, 2a first end thread class, single connection straight thru body style, plain 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: single connection straight thru
First End Connection Type: threaded external tube
First End Style Designator: plain
First End Outside Diameter Tube Accommodated: 2.000 inches nominal
First End Thread Class: 2a
First End Thread Direction: right-hand
First End Seat Angle In Deg: 1.0
Flow Control Device: disk, top guided
End Connection Quantity: 1
Disk Loading Method: spring
Opening Pressure Setting: 1.0 pounds per square inch
Valve Venting Design Type: atmospheric
Special Features: with manual release button
Material: aluminum alloy body
Surface Treatment: anodize outside
Surface Treatment Document And Classification: mil-a-8625, type 2 mil spec single treatment response outside

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-183-4562	No Name Available	06/01/1989

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
TA-770-1248	Gaseou Pressure Equalizing Valve
TA770-1248	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-01-201-0799?

The FSCG of the NSN 4820-01-201-0799 is 4820

Does the NSN 4820-01-201-0799 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-201-0799 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 4820-01-201-0799 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-201-0799 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 4820-01-201-0799 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, Feb 12, 1985