4820-01-689-6656

Find complete technical information, availability, and procurement data for: 4820-01-689-6656
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-689-6656

Item Name Code

34965

Assigment Date

07/02/2020 (6 years ago)

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

material controlled iaw navsea 0948-lp-045-7010 material control standard for level 1 items 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 controlled iaw navsea 0948-lp-045-7010 material control standard for level 1 items

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
803-2177525-M7XX-82	Stop-Check Valve Parts Kit
803-2177525-M7XX-82L1(SPC)	Stop-Check Valve Parts Kit

FAQs

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

What is the FSCG of the NSN 4820-01-689-6656?

The FSCG of the NSN 4820-01-689-6656 is 4820

Does the NSN 4820-01-689-6656 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-689-6656 require demilitarization?

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

Does NSN 4820-01-689-6656 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-689-6656 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 4820-01-689-6656 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Thu, Jul 2, 2020