4820-00-075-2255

Find complete technical information, availability, and procurement data for: 4820-00-075-2255
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-075-2255

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.

0.200 inches minimum and 0.202 inches maximum flange seat to disk end height, 0.371 inches minimum and 0.373 inches maximum flange diameter, 0.262 inches minimum and 0.264 inches maximum body outside diameter, 25.0 rockwell c minimum and 32.0 rockwell c maximum overall hardness rating, 0.138 inches minimum and 0.143 inches maximum under flange height

Product Characteristics

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

Flange Diameter: 0.371 inches minimum and 0.373 inches maximum
Body Outside Diameter: 0.262 inches minimum and 0.264 inches maximum
Flange Seat To Disk End Height: 0.200 inches minimum and 0.202 inches maximum
Under Flange Height: 0.138 inches minimum and 0.143 inches maximum
Hardness Rating: 25.0 rockwell c minimum and 32.0 rockwell c maximum overall
Seating Surface Shape: flat
Body Stepped Inside Diameter: 0.125 inches nominal first step
Body Stepped Inside Diameter: 0.094 inches minimum and 0.095 inches maximum second step
Material: steel overall
Material Document And Classification: qq-s-763 cl 416 fed spec single material response overall
Style Designator: plain flanged

FAQs

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

What is the FSCG of the NSN 4820-00-075-2255?

The FSCG of the NSN 4820-00-075-2255 is 4820

Does the NSN 4820-00-075-2255 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-075-2255 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 4820-00-075-2255 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-075-2255 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 4820-00-075-2255 was assigned to the Federal Catalog?

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