4820-00-148-2481

Find complete technical information, availability, and procurement data for: 4820-00-148-2481
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-148-2481

Item Name Code

22113

Assigment Date

01/01/1963 (63 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.

90.0 rockwell b minimum and 105.0 rockwell b maximum body hardness rating, 44.500 minimum and 45.500 maximum seat angle in deg, 0.462 inches minimum and 0.464 inches maximum overall height, 2.703 inches minimum and 2.713 inches maximum body inside diameter, 3.070 inches minimum and 3.071 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: 0.462 inches minimum and 0.464 inches maximum
Body Outside Diameter: 3.070 inches minimum and 3.071 inches maximum
Body Inside Diameter: 2.703 inches minimum and 2.713 inches maximum
Seat Angle In Deg: 44.500 minimum and 45.500 maximum
Hardness Rating: 90.0 rockwell b minimum and 105.0 rockwell b maximum body
Seating Surface Shape: angular
Material: steel body
Material Document And Classification: ams 5700 assn std single material response body
Style Designator: plain
Fsc Application Data: acft eng r2000

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
113651	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-148-2481?

The FSCG of the NSN 4820-00-148-2481 is 4820

Does the NSN 4820-00-148-2481 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-148-2481 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 4820-00-148-2481 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-148-2481 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 4820-00-148-2481 was assigned to the Federal Catalog?

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