4820-01-121-2951

Find complete technical information, availability, and procurement data for: 4820-01-121-2951
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-121-2951

Item Name Code

35374

Assigment Date

11/04/1981 (44 years ago)

An item designed to inclose the cylinder bore(s) of an engine block to form a combustion chamber(s). It may have liquid cooling passage(s) and/or air cooling fin(s) and may include valve(s), valve guide(s), rocker arm(s), injector tube(s), and the like. It is a component part of an engine, diesel. See also cylinder head, gasoline engine.

aluminum alloy material, 2.958 inches nominal width, 1.500 inches nominal height, 3.250 inches nominal overall length

Product Characteristics

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

Width: 2.958 inches nominal
Overall Length: 3.250 inches nominal
Height: 1.500 inches nominal
Material: aluminum alloy

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
20362-1000	Valve Cap
20363-004 FIND 9	Valve Cap

FAQs

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

What is the FSCG of the NSN 4820-01-121-2951?

The FSCG of the NSN 4820-01-121-2951 is 4820

Does the NSN 4820-01-121-2951 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-121-2951 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 4820-01-121-2951 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-121-2951 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 4820-01-121-2951 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Nov 4, 1981