4820-01-400-3179

Find complete technical information, availability, and procurement data for: 4820-01-400-3179
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-400-3179

Item Name Code

16992

Assigment Date

12/14/1994 (31 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

4 all ends bolt hole quantity, inside screw bonnet type, disk flow control device, manual valve operation method, bolted bonnet attachment method

Product Characteristics

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

Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 4 all ends
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 3.000 inches
Nominal Outside Diameter: 6.625 inches all ends
Face To Face Distance: 10.000 inches
Nominal Thickness: 0.938 inches all ends
Bolt Hole Nominal Diameter: 0.688 inches all ends
Bolt Circle Nominal Diameter: 5.500 inches all ends
Flange Face Design: plain all ends
Material: nickel alloy body
Style Designator: straight thru y-pattern 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
803-1385623-0362	Y Valve

FAQs

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

What is the FSCG of the NSN 4820-01-400-3179?

The FSCG of the NSN 4820-01-400-3179 is 4820

Does the NSN 4820-01-400-3179 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-400-3179 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 4820-01-400-3179 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-400-3179 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 4820-01-400-3179 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Dec 14, 1994