4820-00-146-9347

Find complete technical information, availability, and procurement data for: 4820-00-146-9347
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-146-9347

Item Name Code

05486

Assigment Date

09/26/1971 (54 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.

inside screw bonnet type, weight disk loading method, union bonnet attachment method, 0.500 inches 1st end nominal pipe size accommodated, disk 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.

Nominal Pipe Size Accommodated: 0.500 inches 1st end
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: union
Disk Loading Method: weight
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: socket (pipe) 1st end
Valve Operation Method: manual
Connection Type: unthreaded internal pipe 1st end
Mounting Position: horizontal
Features Provided: bonnet packing
Maximum Operating Pressure: 700.0 pounds per square inch single response
Criticality Code Justification: zzzy
Material: copper alloy 844 body
Material: nickel alloy 400 or nickel alloy r-405 or nickel alloy seat
Material: nickel alloy 400 or nickel alloy r-405 stem
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Reference Number Differentiating Characteristics: material controlled iaw navsea 0948-lp-045-7010 material control standard for level i 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
803-2177934-C331	Stop-Check Valve
803-2177934-C331L1	Stop-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-146-9347?

The FSCG of the NSN 4820-00-146-9347 is 4820

Does the NSN 4820-00-146-9347 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-146-9347 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 4820-00-146-9347 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-146-9347 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 4820-00-146-9347 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Sep 26, 1971