4820-00-030-3447

Find complete technical information, availability, and procurement data for: 4820-00-030-3447
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-030-3447

Item Name Code

22113

Assigment Date

01/01/1961 (65 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.

85.0 shore durometer a minimum and 95.0 shore durometer a maximum overall hardness rating, 2.166 inches minimum and 2.174 inches maximum body inside diameter, 2.756 inches nominal body outside diameter, flat seating surface shape, 0.293 inches nominal overall height

Product Characteristics

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

Overall Height: 0.293 inches nominal
Body Outside Diameter: 2.756 inches nominal
Body Inside Diameter: 2.166 inches minimum and 2.174 inches maximum
Hardness Rating: 85.0 shore durometer a minimum and 95.0 shore durometer a maximum overall
Seating Surface Shape: flat
Material: rubber synthetic face
Material: steel body
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
276-0011-00	Valve Seat
BLG276D	Valve Seat
H1BLG276D	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-030-3447?

The FSCG of the NSN 4820-00-030-3447 is 4820

Does the NSN 4820-00-030-3447 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-030-3447 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 4820-00-030-3447 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-030-3447 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 4820-00-030-3447 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961