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4820-00-618-7821

Find complete technical information, availability, and procurement data for: 4820-00-618-7821

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4820-00-618-7821
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-618-7821
Item Name Code
05487
Assigment Date
01/01/1963 (63 years ago)

poppet flow control device, right-hand 1st end thread direction, 3a 1st end thread class, spring disk loading method, 480.0 fahrenheit single 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.

Thread Class
3a 1st end
Thread Direction
right-hand 1st end
Flow Control Device
poppet
Disk Loading Method
spring
Maximum Operating Temp
480.0 fahrenheit single response
Connection Style
external seat for gasket seal (boss) 1st end
Valve Operation Method
automatic
Connection Type
threaded external boss 1st end
Mounting Position
horizontal or vertical
Maximum Operating Pressure
600.0 pounds per square inch single response
Nominal Thread Size
0.438 inches 1st end
Seat Angle
37.0 degrees 1st end
Special Features
non-standard cracking pressure 8 in. h2o
Material
aluminum alloy 2024 body
Material Document And Classification
qq-a-225/6 fed spec single material response body
Surface Treatment
anodize
Surface Treatment Document And Classification
mil-a-8625,ty 1 mil spec single treatment response
Style Designator
straight thru
Thread Series Designator
unjf 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
518471 Check Valve
824A4TT4 Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-618-7821?
The FSCG of the NSN 4820-00-618-7821 is 4820
Does the NSN 4820-00-618-7821 have a Schedule B code assigned?
Yes, the Schedule B code is 8481309000
Does NSN 4820-00-618-7821 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-00-618-7821 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-618-7821 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 4820-00-618-7821 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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