4820-01-108-2632

Find complete technical information, availability, and procurement data for: 4820-01-108-2632
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-108-2632

Item Name Code

22113

Assigment Date

02/24/1981 (45 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.

0.128 inches minimum and 0.130 inches maximum body inside diameter, 0.627 inches minimum and 0.628 inches maximum flange diameter, 0.330 inches nominal body outside diameter, 45.000 nominal seat angle in deg, 2b single threaded portion thread class

Product Characteristics

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

Thread Class: 2b single threaded portion
Flange Diameter: 0.627 inches minimum and 0.628 inches maximum
Body Outside Diameter: 0.330 inches nominal
Body Inside Diameter: 0.128 inches minimum and 0.130 inches maximum
Seat Angle In Deg: 45.000 nominal
Nominal Thread Size: 0.312 inches single threaded portion
Seating Surface Shape: angular
Material: plastic polyamide (nylon) overall
Thread Series Designator: unef single threaded portion

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
639AS1446	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-108-2632?

The FSCG of the NSN 4820-01-108-2632 is 4820

Does the NSN 4820-01-108-2632 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-108-2632 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 4820-01-108-2632 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-108-2632 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 4820-01-108-2632 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Tue, Feb 24, 1981