4820-00-253-5581

Find complete technical information, availability, and procurement data for: 4820-00-253-5581
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-253-5581

Item Name Code

22113

Assigment Date

07/18/1969 (57 years ago)

30.000 nominal seat angle in deg, 2.035 inches minimum and 2.045 inches maximum body inside diameter, 60.0 shore durometer a minimum and 70.0 shore durometer a maximum body hardness rating, 1.709 inches minimum and 1.729 inches maximum overall height, 3.117 inches minimum and 3.127 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.

Overall Height: 1.709 inches minimum and 1.729 inches maximum
Body Outside Diameter: 3.117 inches minimum and 3.127 inches maximum
Body Inside Diameter: 2.035 inches minimum and 2.045 inches maximum
Seat Angle In Deg: 30.000 nominal
Hardness Rating: 60.0 shore durometer a minimum and 70.0 shore durometer a maximum body
Hardness Rating: 60.0 shore durometer a minimum and 70.0 shore durometer a maximum face
Seating Surface Shape: angular
Special Features: two holes through middle to accomodate butterfly valve stem
Material: rubber buna n overall
Style Designator: plain

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
3224941	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-253-5581?

The FSCG of the NSN 4820-00-253-5581 is 4820

Does the NSN 4820-00-253-5581 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-253-5581 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 4820-00-253-5581 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-253-5581 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 4820-00-253-5581 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Jul 18, 1969