4820-00-053-2764

Find complete technical information, availability, and procurement data for: 4820-00-053-2764
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-053-2764

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.

0.250 inches single threaded portion nominal thread size, flat seating surface shape, 58.0 rockwell c minimum and 62.0 rockwell c maximum body hardness rating, steel overall material, 3b 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: 3b single threaded portion
Hardness Rating: 58.0 rockwell c minimum and 62.0 rockwell c maximum body
Nominal Thread Size: 0.250 inches single threaded portion
Seating Surface Shape: flat
Material: steel overall
Material Document And Classification: qq-s-624,comp 8620 fed spec single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: mil-p-16232,type m,class 2 mil spec single treatment response overall
Thread Series Designator: unf 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
2124340	Valve Seat
BUWEPSDWG2124340	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-053-2764?

The FSCG of the NSN 4820-00-053-2764 is 4820

Does the NSN 4820-00-053-2764 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-053-2764 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 4820-00-053-2764 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-053-2764 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 4820-00-053-2764 was assigned to the Federal Catalog?

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