4820-00-958-3763

Find complete technical information, availability, and procurement data for: 4820-00-958-3763
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-958-3763

Item Name Code

05488

Assigment Date

06/01/1966 (60 years ago)

0.250 inches 1st end nominal pipe size accommodated, right-hand 1st end thread direction, inside screw bonnet type, integral bonnet attachment method, poppet 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.

Nominal Pipe Size Accommodated: 0.250 inches 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Bonnet Type: inside screw
Bonnet Attachment Method: integral
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 4.0 pounds per square inch
Material: aluminum alloy 2024 and rubber butadiene-acrylonitrile class nbr flow control device
Material: aluminum alloy 2024 body
Material: aluminum alloy 2024 seat
Material Document And Classification: qq-a-225/6,alloy2024,t4 fed spec 1st material response flow control device
Material Document And Classification: qq-a-225/6,alloy2024,t4 fed spec single material response body
Material Document And Classification: qq-a-225/6,alloy2024,t4 fed spec single material response seat
Media For Which Designed: fuel/oil, hydrocarbon single response
Surface Treatment: anodize
Style Designator: straight thru w/baffle
Thread Series Designator: npt 1st end

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
D559A2M4	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-958-3763?

The FSCG of the NSN 4820-00-958-3763 is 4820

Does the NSN 4820-00-958-3763 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-958-3763 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 4820-00-958-3763 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-958-3763 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 4820-00-958-3763 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jun 1, 1966