4820-00-295-6963

Find complete technical information, availability, and procurement data for: 4820-00-295-6963
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-295-6963

Item Name Code

05488

Assigment Date

09/28/1973 (52 years ago)

-40.0 fahrenheit 1st response250.0 fahrenheit 2nd response maximum operating temp, right-hand 1st end thread direction, poppet flow control device, spring disk loading method, 0.250 inches 1st end nominal pipe size accommodated

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
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: -40.0 fahrenheit 1st response250.0 fahrenheit 2nd response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Adjustable Pressure Range: +29.0 to 72.0 pounds per square inch
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 28.3 pounds per square inch
Material: steel comp 303 overall
Material Document And Classification: qq-s-764,type303-canceled fed spec single material response overall
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Media For Which Designed: helium 3rd response
Style Designator: ""y" angle"
Thread Series Designator: npt 1st end
Furnished Items And Quantity: 1 deflector cap

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
50375-1	Safety Relief Valve
D559T-2M-28.3	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-295-6963?

The FSCG of the NSN 4820-00-295-6963 is 4820

Does the NSN 4820-00-295-6963 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-295-6963 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 4820-00-295-6963 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-295-6963 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 4820-00-295-6963 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Sep 28, 1973