4820-01-161-7776

Find complete technical information, availability, and procurement data for: 4820-01-161-7776
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-161-7776

Item Name Code

05487

Assigment Date

09/10/1983 (42 years ago)

automatic valve operation method, round with holes all ends flange shape, 4 all ends bolt hole quantity, weight disk loading method, 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.

Flow Control Device: disk
Disk Loading Method: weight
Bolt Hole Quantity: 4 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal or vertical
Valve Size: 1.000 inches
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 4.250 inches all ends
Face To Face Distance: 5.000 inches
Nominal Thickness: 0.625 inches all ends
Bolt Hole Nominal Diameter: 0.625 inches 1st end
Bolt Circle Nominal Diameter: 3.125 inches all ends
Flange Face Design: plain all ends
Special Features: swing check
Material: steel corrosion resisting seat
Material Document And Classification: astm a216, grade wcb assn std single material response body
Style Designator: straight thru flanged ends

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
1561A-FE-1IN-D6	Check Valve
1561AFE1IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-161-7776?

The FSCG of the NSN 4820-01-161-7776 is 4820

Does the NSN 4820-01-161-7776 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-161-7776 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 4820-01-161-7776 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-161-7776 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 4820-01-161-7776 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Sep 10, 1983