3056-1

View detailed technical data, stock status, and sourcing information for: 3056-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-167-4211

Item Name Code

60396

Assigment Date

11/17/1971 (54 years ago)

A cylindrical soft metallic crush item used to seal high pressure flared tube connections. It is designed to be inserted between the conical surface of a flared tube fitting and the inner surface of the flared end of the connecting tube.

0.025 inches nominal material thickness, 2.719 inches nominal outside diameter, 0.219 inches nominal hole diameter, 0.250 inches nominal center hole diameter, 2.406 inches nominal bolt circle diameter

Product Characteristics

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

Hole Diameter: 0.219 inches nominal
Outside Diameter: 2.719 inches nominal
Bolt Circle Diameter: 2.406 inches nominal
Material Thickness: 0.025 inches nominal
Center Hole Diameter: 0.250 inches nominal
Bolt Hole Quantity: 8
Material: rubber chloroprene class cr

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-023-2753	No Name Available	03/01/1994

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
3056-01	Flat Valve Diaphragm
3056-1	Flat Valve Diaphragm

FAQs

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

What is the FSCG of the NSN 4820-00-167-4211?

The FSCG of the NSN 4820-00-167-4211 is 4820

Does the NSN 4820-00-167-4211 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-167-4211 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 4820-00-167-4211 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-167-4211 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 4820-00-167-4211 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Nov 17, 1971