4820-01-143-9023

Find complete technical information, availability, and procurement data for: 4820-01-143-9023
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-143-9023

Item Name Code

05483

Assigment Date

12/10/1982 (43 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

disk flow control device, 6 all ends bolt hole quantity, 2a 1st end thread class, right-hand 1st end thread direction, packing retaining bonnet type

Product Characteristics

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

Thread Class: 2a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: disk
Bonnet Type: packing retaining
Bolt Hole Quantity: 6 all ends
Connection Style: compression (tube) 1st end
Nominal Width: 1.875 inches 2nd end
Nominal Length: 3.312 inches 2nd end
Valve Operation Method: manual
Flange Shape: oval with holes 2nd end
Connection Type: flange 2nd end
Connection Type: threaded external tube 1st end
Thread Quantity Per Inch: 24 1st end
Nominal Thread Size: 0.438 inches 1st end
Seat Nominal Radius: 0.062 inches 1st end
Nominal Thickness: 0.562 inches 2nd end
Bolt Hole Nominal Diameter: 0.356 inches 2nd end
Bolt Circle Nominal Diameter: 2.625 inches 2nd end
Flange Face Design: raised with curve and counterbore 2nd end
Raised Face Nominal Height: 0.090 inches 2nd end
Raised Face Nominal Diameter: 1.312 inches 2nd end
Special Features: shut-off needle on 1st end connection
Material: copper alloy body
Material: copper alloy seat
Material: copper alloy stem
Material: plastic polyamide (nylon) flow control device
Style Designator: angle
Thread Series Designator: uns 1st end
Furnished Items And Quantity: 1 nut and 1 ferrule

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
SU35	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-143-9023?

The FSCG of the NSN 4820-01-143-9023 is 4820

Does NSN 4820-01-143-9023 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 4820-01-143-9023 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-143-9023 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 4820-01-143-9023 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Dec 10, 1982