4820-01-272-7521

Find complete technical information, availability, and procurement data for: 4820-01-272-7521
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-01-272-7521 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-272-7521

Item Name Code

05487

Assigment Date

02/13/1988 (38 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

spring disk loading method, disk flow control device, 150.0 fahrenheit 2nd response maximum operating temp, 6 all ends bolt hole quantity, 406.0 fahrenheit 1st response maximum operating temp

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: spring
Bolt Hole Quantity: 6 all ends
Maximum Operating Temp: 150.0 fahrenheit 2nd response
Maximum Operating Temp: 406.0 fahrenheit 1st response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal or vertical
Valve Size: 3.000 inches
Maximum Operating Pressure: 150.0 pounds per square inch 1st response
Maximum Operating Pressure: 225.0 pounds per square inch 2nd response
Nominal Outside Diameter: 7.500 inches all ends
Face To Face Distance: 9.500 inches
Nominal Thickness: 0.625 inches all ends
Bolt Hole Nominal Diameter: 0.563 inches all ends
Bolt Circle Nominal Diameter: 6.000 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru flanged ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-273-1275	No Name Available	06/01/1992

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
15-SW-F 3IN DWG 7892	Check Valve
15SW-F 3IN	Check Valve
7892 3IN	Check Valve
B-15S-W-3IN	Check Valve
FP-2T-01-005 IT	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-272-7521?

The FSCG of the NSN 4820-01-272-7521 is 4820

Does the NSN 4820-01-272-7521 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-272-7521 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 4820-01-272-7521 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-272-7521 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 4820-01-272-7521 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Feb 13, 1988