820-6652520ITEM12

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-452-2676

Item Name Code

32528

Assigment Date

01/21/1998 (28 years ago)

A circular shaped item designed to be installed in a specially prepared groove or counterbore to provide a low pressure seal. It may be supplied in various cross-sectional shapes. It may be solid or cut through to allow for installation and fitting. Excludes items whose primary function is to provide sealing, wiping, or wearing surface capabilities for piston configurations. See also ring,piston and ring,wiper.

material will be in accordance with naval inventory control point, mechanicsburg, activity hx quality control, manufacturing and testing specifications reference number differentiating characteristics, zzzy criticality code justification

Product Characteristics

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

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: material will be in accordance with naval inventory control point, mechanicsburg, activity hx quality control, manufacturing and testing specifications

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
820-6652520ITEM12	Fluid Valve Stem
820-6652548G01	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-452-2676?

The FSCG of the NSN 4820-01-452-2676 is 4820

Does the NSN 4820-01-452-2676 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-452-2676 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-01-452-2676 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-452-2676 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 4820-01-452-2676 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Wed, Jan 21, 1998