4820-01-264-3259

Find complete technical information, availability, and procurement data for: 4820-01-264-3259
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-264-3259

Item Name Code

05487

Assigment Date

09/29/1987 (38 years ago)

250.0 fahrenheit single response maximum operating temp, disk flow control device, spring disk loading method, -40.0 fahrenheit minimum operating temp, welded renewable seat ring type

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
Renewable Seat Ring Type: welded
Maximum Operating Temp: 250.0 fahrenheit single response
Minimum Operating Temp: -40.0 fahrenheit
Valve Operation Method: automatic
Flange Shape: round all ends
Connection Type: flange all ends
Mounting Facility: wafer
Mounting Position: horizontal or vertical
Valve Size: 4.000 inches
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 6.875 inches all ends
Face To Face Distance: 2.875 inches
Special Features: double disk,wafer type check valve
Material: iron cast uns f32800 body
Material: rubber butadiene-acrylonitrile class nbr seat
Material: steel comp 316 flow control device
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
4.0-72-IHH-3-H	Check Valve
4IN-72-I-H-H-3-	Check Valve
AN-4.0-72-DI-C	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-264-3259?

The FSCG of the NSN 4820-01-264-3259 is 4820

Does the NSN 4820-01-264-3259 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302010

Does NSN 4820-01-264-3259 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 4820-01-264-3259 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-264-3259 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 4820-01-264-3259 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Sep 29, 1987