4820-00-326-5797

Find complete technical information, availability, and procurement data for: 4820-00-326-5797
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-326-5797

Item Name Code

05487

Assigment Date

03/29/1971 (55 years ago)

automatic valve operation method, round 1st end flange shape, valve chk swg 2.50ips 650psi flge nicop end item identification, disk flow control device, weight disk loading method

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
Disk Loading Method: weight
End Item Identification: valve chk swg 2.50ips 650psi flge nicop
Valve Operation Method: automatic
Flange Shape: round 1st end
Connection Type: flange 1st end
Mounting Position: horizontal
Criticality Code Justification: zzzy
Nominal Outside Diameter: 6.125 inches 1st end
Face To Face Distance: 11.500 inches
Nominal Thickness: 0.938 inches 1st end
Flange Face Design: plain 1st end
Material: nickel alloy body
Reference Number Differentiating Characteristics: to lrcjxg which is protected material as directed by navsea 08 for the nuclear propulsion training unit (nptu) for the moored training ships (mts)

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-255-1867	No Name Available	05/01/1989

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
2640-257ASSYRA	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-326-5797?

The FSCG of the NSN 4820-00-326-5797 is 4820

Does the NSN 4820-00-326-5797 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-326-5797 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 4820-00-326-5797 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-326-5797 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 4820-00-326-5797 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Mar 29, 1971