4820-00-344-1449

Find complete technical information, availability, and procurement data for: 4820-00-344-1449
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-344-1449

Item Name Code

22113

Assigment Date

01/01/1963 (63 years ago)

0.136 inches minimum and 0.144 inches maximum under flange height, 0.436 inches minimum and 0.438 inches maximum flange seat to disk end height, 2.182 inches minimum and 2.192 inches maximum body inside diameter, 2.633 inches minimum and 2.653 inches maximum flange diameter, 2.733 inches minimum and 2.777 inches maximum body outside 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: 2.633 inches minimum and 2.653 inches maximum
Body Outside Diameter: 2.733 inches minimum and 2.777 inches maximum
Body Inside Diameter: 2.182 inches minimum and 2.192 inches maximum
Flange Seat To Disk End Height: 0.436 inches minimum and 0.438 inches maximum
Under Flange Height: 0.136 inches minimum and 0.144 inches maximum
Seat Angle In Deg: 45.000 nominal
Hardness Rating: 90.0 rockwell b minimum and 105.0 rockwell b maximum overall
Seating Surface Shape: angular
Material: steel overall
Material Document And Classification: ams 5700 assn std single material response overall
Style Designator: plain flanged
Fsc Application Data: acft eng r1830

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-343-8179	No Name Available	01/01/1963

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
17181P20	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-344-1449?

The FSCG of the NSN 4820-00-344-1449 is 4820

Does the NSN 4820-00-344-1449 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-344-1449 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 4820-00-344-1449 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-344-1449 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 4820-00-344-1449 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963