4820-00-390-3763

Valve Seat

Find complete technical information, availability, and procurement data for NSN 4820-00-390-3763 All details are based on official government and industry records to support accurate and compliant procurement.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-390-3763

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.

30.000 nominal seat angle in deg, 125.0 brinell standard minimum and 150.0 brinell standard maximum body hardness rating, 2.563 inches nominal under flange height, 2.750 inches nominal flange diameter, 0.625 inches nominal flange seat to disk end height

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Flange Diameter: 2.750 inches nominal
Flange Seat To Disk End Height: 0.625 inches nominal
Under Flange Height: 2.563 inches nominal
Seat Angle In Deg: 30.000 nominal
Hardness Rating: 125.0 brinell standard minimum and 150.0 brinell standard maximum body
Seating Surface Shape: angular
Material: nickel alloy body

Related Parts & Specifications

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Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
Demilitarization
Criticality
Federal Item Identification Guide
Precious Metals Indicator
Pseudo Item Name Code
Hazardous Material Indicator
Schedule B Code

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
National Motor Freight Classification Item Number
National Motor Freight Classification Sub-Item Number
Uniform Freight Classification Item Number
National Motor Freight Class Rating
Water Commodity
Type of Cargo
Special Hand
Air Dimension
Air Commodity
National Motor Freight Description

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 4820-00-390-3763

What is the FSCG of the NSN 4820-00-390-3763?

The FSCG of the NSN 4820-00-390-3763 is 4820

Does the NSN 4820-00-390-3763 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-390-3763 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 4820-00-390-3763 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-390-3763 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 4820-00-390-3763 was assigned to the Federal Catalog?

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