4820-00-301-4982

Find complete technical information, availability, and procurement data for: 4820-00-301-4982
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-301-4982

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.

0.156 inches nominal seat radius, 0.966 inches nominal body inside diameter, 3a single threaded portion thread class, 0.813 inches nominal single threaded portion thread length, 2.585 inches minimum and 2.605 inches maximum flange diameter

Product Characteristics

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

Thread Class: 3a single threaded portion
Thread Length: 0.813 inches nominal single threaded portion
Flange Diameter: 2.585 inches minimum and 2.605 inches maximum
Body Inside Diameter: 0.966 inches nominal
Seat Radius: 0.156 inches nominal
Flange Seat To Disk End Height: 0.500 inches nominal
Under Flange Height: 1.360 inches nominal
Thread Quantity Per Inch: 8 single threaded portion
Hardness Rating: 387.0 brinell standard nominal body
Nominal Thread Size: 2.000 inches single threaded portion
Seating Surface Shape: radial
Material: steel body
Material Document And Classification: mil-s-853 mil spec single material response body
Style Designator: threaded flanged
Thread Series Designator: un 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
DJV62F	Valve Seat
H1129PC161	Valve Seat
H3230200PC161	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-301-4982?

The FSCG of the NSN 4820-00-301-4982 is 4820

Does the NSN 4820-00-301-4982 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-301-4982 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 4820-00-301-4982 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-301-4982 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 4820-00-301-4982 was assigned to the Federal Catalog?

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