4820-01-286-4526

Find complete technical information, availability, and procurement data for: 4820-01-286-4526
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-286-4526

Item Name Code

22113

Assigment Date

10/01/1988 (37 years ago)

A cylindrically shaped metal item designed to transmit intermittent motion from the cam lobe on a shaft or cam ring, to the engine poppet valve. It may be mechanically or hydraulically operating, and may include adjusting devices.

0.437 inches minimum and 0.439 inches maximum body inside diameter, 16 single threaded portion thread quantity per inch, 0.739 inches minimum and 0.748 inches maximum flange diameter, 2a single threaded portion thread class, 0.750 inches third threaded portion nominal thread size

Product Characteristics

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

Thread Class: 2a single threaded portion
Flange Diameter: 0.739 inches minimum and 0.748 inches maximum
Body Inside Diameter: 0.437 inches minimum and 0.439 inches maximum
Thread Quantity Per Inch: 16 single threaded portion
Nominal Thread Size: 0.750 inches third threaded portion
Seating Surface Shape: angular
Material: steel comp 316 seat

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
TB-1277	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-286-4526?

The FSCG of the NSN 4820-01-286-4526 is 4820

Does the NSN 4820-01-286-4526 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-286-4526 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 4820-01-286-4526 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-286-4526 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 4820-01-286-4526 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Oct 1, 1988