4820-00-012-3260

Find complete technical information, availability, and procurement data for: 4820-00-012-3260
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-012-3260

Item Name Code

22113

Assigment Date

05/08/1968 (58 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.

3a single threaded portion thread class, 0.380 inches nominal single threaded portion thread length, 0.155 inches minimum and 0.157 inches maximum body inside diameter, grooved seal accommodation type, 0.785 inches minimum and 0.795 inches maximum overall height

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: 0.380 inches nominal single threaded portion
Overall Height: 0.785 inches minimum and 0.795 inches maximum
Body Inside Diameter: 0.155 inches minimum and 0.157 inches maximum
Seal Accommodation Type: grooved
Nominal Thread Size: 0.438 inches single threaded portion
Seating Surface Shape: flat
Material: steel comp 303 overall
Material Document And Classification: ams5640 assn std 1st material response or qq-s-763 fed spec 2nd material response overall
Surface Treatment: passivate overall
Style Designator: plain threaded
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
45D63	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-012-3260?

The FSCG of the NSN 4820-00-012-3260 is 4820

Does the NSN 4820-00-012-3260 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-012-3260 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 4820-00-012-3260 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-012-3260 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 4820-00-012-3260 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, May 8, 1968