4820-00-986-0531

Find complete technical information, availability, and procurement data for: 4820-00-986-0531
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-986-0531

Item Name Code

22113

Assigment Date

01/01/1962 (64 years ago)

A tubular metal item designed primarily as a replaceable wear surface within the cylinder bore of a piston type internal combustion engine, compressor, or reciprocating pump.

0.331 inches minimum and 0.349 inches maximum under flange height, 0.031 inches minimum and 0.047 inches maximum flange seat to disk end height, 0.805 inches minimum and 0.809 inches maximum flange diameter, 0.805 inches minimum and 0.809 inches maximum body outside diameter, 0.150 inches minimum and 0.166 inches maximum body inside diameter

Product Characteristics

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

Flange Diameter: 0.805 inches minimum and 0.809 inches maximum
Body Outside Diameter: 0.805 inches minimum and 0.809 inches maximum
Body Inside Diameter: 0.150 inches minimum and 0.166 inches maximum
Flange Seat To Disk End Height: 0.031 inches minimum and 0.047 inches maximum
Under Flange Height: 0.331 inches minimum and 0.349 inches maximum
Seat Angle In Deg: 45.000 nominal
Seating Surface Shape: angular
Style Designator: plain flanged

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
400203	Valve Seat
A1N203	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-986-0531?

The FSCG of the NSN 4820-00-986-0531 is 4820

Does the NSN 4820-00-986-0531 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-986-0531 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 4820-00-986-0531 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-986-0531 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 4820-00-986-0531 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962