4820-01-256-2220

Find complete technical information, availability, and procurement data for: 4820-01-256-2220
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-256-2220

Item Name Code

14559

Assigment Date

06/03/1987 (39 years ago)

Do not use if a more specific item name is applicable.

o'rings 3; diaphragm 1; back-up rings 3; fiber locks 2; poppet and seat assembly 1 supply items and quantities, 10 component quantity

Product Characteristics

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

Component Quantity: 10
Supply Items And Quantities: o'rings 3; diaphragm 1; back-up rings 3; fiber locks 2; poppet and seat assembly 1

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
KRV-H-V3D10063	Safety Relief Valve Parts Kit

FAQs

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

What is the FSCG of the NSN 4820-01-256-2220?

The FSCG of the NSN 4820-01-256-2220 is 4820

Does the NSN 4820-01-256-2220 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-256-2220 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 4820-01-256-2220 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-256-2220 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 4820-01-256-2220 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jun 3, 1987