4820-00-571-3734

Find complete technical information, availability, and procurement data for: 4820-00-571-3734
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-571-3734

Item Name Code

22113

Assigment Date

01/17/1968 (58 years ago)

3.438 inches nominal body inside diameter, 0.180 inches nominal seat radius, 4.560 inches nominal body outside diameter, 1.060 inches nominal flange seat to disk end height, 5.775 inches minimum and 5.776 inches maximum flange diameter

Product Characteristics

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

Flange Diameter: 5.775 inches minimum and 5.776 inches maximum
Body Outside Diameter: 4.560 inches nominal
Body Inside Diameter: 3.438 inches nominal
Seat Radius: 0.180 inches nominal
Flange Seat To Disk End Height: 1.060 inches nominal
Under Flange Height: 1.320 inches nominal
Seating Surface Shape: radial
Material: cobalt alloy face
Material: steel body
Material Document And Classification: mil-r-17131,type mil-rcocr-a mil spec single material response face
Material Document And Classification: mil-s-18410,class a mil spec single material response body
Style Designator: plain flanged

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
1261A100	Valve Seat
894B361P3	Valve Seat
894B361PC3	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-571-3734?

The FSCG of the NSN 4820-00-571-3734 is 4820

Does the NSN 4820-00-571-3734 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-571-3734 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 4820-00-571-3734 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-571-3734 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 4820-00-571-3734 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Jan 17, 1968