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4820-00-639-9271

Find complete technical information, availability, and procurement data for: 4820-00-639-9271

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4820-00-639-9271
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-639-9271
Item Name Code
05488
Assigment Date
01/01/1963 (63 years ago)

spring disk loading method, right-hand 2nd end thread direction, 0.500 inches 2nd end nominal pipe size accommodated, right-hand 1st end thread direction, 0.375 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
0.375 inches 1st end
Nominal Pipe Size Accommodated
0.500 inches 2nd end
Thread Direction
right-hand 1st end
Thread Direction
right-hand 2nd end
Disk Loading Method
spring
Connection Style
plain (pipe) 2nd end
Connection Style
plain,optional end(pipe) 1st end
Connection Type
threaded external pipe 2nd end
Connection Type
threaded internal pipe 1st end
Thread Quantity Per Inch
14 2nd end
Thread Quantity Per Inch
18 1st end
Nominal Thread Size
0.375 inches 1st end
Nominal Thread Size
0.500 inches 2nd end
Opening Pressure Setting
48.0 pounds per square inch
Material
copper alloy body
Material
nickel alloy seat
Style Designator
angle
Thread Series Designator
npt 2nd end
Thread Series Designator
npt 1st end

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475-4824-72316ALT9PC3-848 Safety Relief Valve
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870-488PCV7 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-639-9271?
The FSCG of the NSN 4820-00-639-9271 is 4820
Does the NSN 4820-00-639-9271 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-639-9271 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 4820-00-639-9271 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-639-9271 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 4820-00-639-9271 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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