4820-01-179-9839

Find complete technical information, availability, and procurement data for: 4820-01-179-9839
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-179-9839

Item Name Code

20962

Assigment Date

05/23/1984 (42 years ago)

12 2nd end bolt hole quantity, flange 1st end connection type, round with holes 2nd end flange shape, round 1st end flange shape, manual valve operation method

Product Characteristics

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

Bolt Hole Quantity: 12 2nd end
Valve Operation Method: manual
Flange Shape: round 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Valve Size: 2.938 inches
Nominal Outside Diameter: 10.125 inches 2nd end
Nominal Outside Diameter: 10.500 inches 1st end
Face To Face Distance: 7.750 inches
Nominal Thickness: 0.562 inches 1st end
Nominal Thickness: 1.438 inches 2nd end
Bolt Hole Nominal Diameter: 0.562 inches 2nd end
Bolt Circle Nominal Diameter: 8.875 inches 2nd end
Flange Face Design: plain 1st end
Flange Face Design: plain 2nd end
Material: nickel alloy flow control device
Material: plastic seat
Material: steel body
Style Designator: straight thru flanged ends

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
SH021-A	Ball Valve
SH021AN600AASSYF	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-179-9839?

The FSCG of the NSN 4820-01-179-9839 is 4820

Does the NSN 4820-01-179-9839 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-179-9839 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 4820-01-179-9839 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-179-9839 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 4820-01-179-9839 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, May 23, 1984