4820-01-189-3421

Find complete technical information, availability, and procurement data for: 4820-01-189-3421
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-189-3421

Item Name Code

60396

Assigment Date

09/14/1984 (41 years ago)

A length of tubing, straight, or prebent to a predetermined angle, with added component(s) that forms an end connection on one or both ends. For flexible tube assemblies, see hose assembly (as modified). For items having perforations in the tubing or attachments, see tube assembly, fire extinguishing system. Excludes:items having integral preformed or plain ends, tube, bent (as modified), and items which are branched or forked.

0.395 inches minimum and 0.523 inches maximum hole diameter, 0.055 inches nominal material thickness, 7.837 inches nominal outside diameter, 6.725 inches nominal bolt circle diameter, 1.900 inches nominal center hole 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: 0.395 inches minimum and 0.523 inches maximum
Outside Diameter: 7.837 inches nominal
Bolt Circle Diameter: 6.725 inches nominal
Material Thickness: 0.055 inches nominal
Center Hole Diameter: 1.900 inches nominal
Bolt Hole Quantity: 10
Material: rubber
Style Designator: flat

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-466-4652	No Name Available	10/01/2004

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
2700R ITEM 4	Flat Valve Diaphragm

FAQs

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

What is the FSCG of the NSN 4820-01-189-3421?

The FSCG of the NSN 4820-01-189-3421 is 4820

Does the NSN 4820-01-189-3421 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-189-3421 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 4820-01-189-3421 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-189-3421 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 4820-01-189-3421 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Sep 14, 1984