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4820-00-914-4684

Find complete technical information, availability, and procurement data for: 4820-00-914-4684

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4820-00-914-4684
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-914-4684
Item Name Code
05488
Assigment Date
03/07/1966 (60 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

poppet flow control device, right-hand 1st end thread direction, external seat for gasket seal (boss) 1st end connection style, spring disk loading method, 2a 1st end thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a 1st end
Thread Direction
right-hand 1st end
Flow Control Device
poppet
Disk Loading Method
spring
Connection Style
external seat for gasket seal (boss) 1st end
Valve Operation Method
automatic
Connection Type
threaded external boss 1st end
Features Provided
valve stem lock shield
Thread Quantity Per Inch
14 1st end
Nominal Thread Size
1.000 inches 1st end
Opening Pressure Setting
500.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated
0.625 inches 1st end
Material
steel body
Material
steel flow control device
Material
steel seat
Material
steel stem
Style Designator
straight thru
Thread Series Designator
uns 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
Y239-2-5 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-914-4684?
The FSCG of the NSN 4820-00-914-4684 is 4820
Does the NSN 4820-00-914-4684 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-914-4684 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 4820-00-914-4684 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-914-4684 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 4820-00-914-4684 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Mon, Mar 7, 1966

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