4820-00-246-4990

Find complete technical information, availability, and procurement data for: 4820-00-246-4990
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-246-4990

Item Name Code

20962

Assigment Date

02/26/1969 (57 years ago)

packing retaining bonnet type, socket with brazing ring 1st end connection style, pressed-in renewable seat ring type, 0.250 inches 1st end nominal pipe size accommodated, manual valve operation method

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: 0.250 inches 1st end
Bonnet Type: packing retaining
Renewable Seat Ring Type: pressed-in
Connection Style: socket with brazing ring 1st end
Valve Operation Method: manual
Connection Type: unthreaded internal pipe 1st end
Maximum Operating Pressure: 700.0 pounds per square inch single response
Criticality Code Justification: zzzy
Material: copper alloy 922 body
Material: nickel alloy 400 stem
Material: titanium alloy uns r56400 flow control device
Media For Which Designed: water, salt single response
Style Designator: straight thru
Reference Number Differentiating Characteristics: quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 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
2620-926X14SH1ASSYB1-4IN	Ball Valve
2620-926X14SH1ASSYB1-4INL1	Ball Valve
2621-926-03ASSYIATTLG1-4IN	Ball Valve
2621-926-03ASSYIATTLG1-4INL1	Ball Valve
800-5001003-A131	Ball Valve
800-5001003-A131L1	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-00-246-4990?

The FSCG of the NSN 4820-00-246-4990 is 4820

Does the NSN 4820-00-246-4990 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801085

Does NSN 4820-00-246-4990 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 4820-00-246-4990 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-246-4990 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 4820-00-246-4990 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Feb 26, 1969