4820-00-146-9341

Find complete technical information, availability, and procurement data for: 4820-00-146-9341
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-146-9341

Item Name Code

05488

Assigment Date

09/15/1971 (54 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

inside spring bonnet type, 9 2nd end bolt hole quantity, bolted bonnet attachment method, spring disk loading method, disk or stem flow control device

Product Characteristics

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

Flow Control Device: disk or stem
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Bolt Hole Quantity: 9 2nd end
Bolt Hole Quantity: 8 1st end
Valve Operation Method: automatic
Flange Shape: round with holes 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Mounting Facility: bracket
Valve Size: 1.500 inches
Nominal Outside Diameter: 9.250 inches 2nd end
Nominal Outside Diameter: 9.625 inches 1st end
Nominal Thickness: 1.625 inches 1st end
Nominal Thickness: 0.937 inches 2nd end
First Connection Face To Centerline Distance: 7.000 inches
Bolt Hole Nominal Diameter: 0.812 inches 2nd end
Bolt Hole Nominal Diameter: 1.062 inches 1st end
Second Connection Face To Centerline Distance: 7.750 inches
Bolt Circle Nominal Diameter: 7.500 inches 1st end
Bolt Circle Nominal Diameter: 7.687 inches 2nd end
Flange Face Design: plain 2nd end
Raised Face Nominal Height: 0.687 inches 1st end
Raised Face Nominal Diameter: 6.375 inches 1st end
Style Designator: angle flanged ends

FAQs

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

What is the FSCG of the NSN 4820-00-146-9341?

The FSCG of the NSN 4820-00-146-9341 is 4820

Does the NSN 4820-00-146-9341 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-146-9341 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 4820-00-146-9341 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-146-9341 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 4820-00-146-9341 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Sep 15, 1971