4820-00-904-6903

Find complete technical information, availability, and procurement data for: 4820-00-904-6903
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-904-6903

Item Name Code

16989

Assigment Date

06/22/1966 (60 years ago)

round 1st end flange shape, pressed-in renewable seat ring type, 8 1st end bolt hole quantity, poppet flow control device, 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.

Flow Control Device: poppet
Renewable Seat Ring Type: pressed-in
Bolt Hole Quantity: 8 1st end
Valve Operation Method: manual
Flange Shape: round 1st end
Connection Type: flange 1st end
Nominal Outside Diameter: 4.125 inches 1st end
Nominal Thickness: 0.200 inches 1st end
Bolt Hole Nominal Diameter: 0.280 inches 1st end
Bolt Circle Nominal Diameter: 0.280 inches 1st end
Flange Face Design: raised straight 1st end
Raised Face Nominal Height: 0.725 inches 1st end
Raised Face Nominal Diameter: 2.582 inches 1st end
Material: aluminum alloy body
Material: rubber synthetic seat
Material: steel flow control device
Style Designator: angle

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
3-3494	Poppet Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-00-904-6903?

The FSCG of the NSN 4820-00-904-6903 is 4820

Does the NSN 4820-00-904-6903 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-904-6903 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 4820-00-904-6903 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-904-6903 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 4820-00-904-6903 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jun 22, 1966