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4820-00-015-2135

Find complete technical information, availability, and procurement data for: 4820-00-015-2135

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4820-00-015-2135
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-015-2135
Item Name Code
05488
Assigment Date
01/01/1961 (65 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, pressure seal, ring type bonnet attachment method, 3a 1st end thread class, inside spring bonnet type

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
Bonnet Type
inside spring
Bonnet Attachment Method
pressure seal, ring type
Disk Loading Method
spring
Valve Discharge Flow Rate
3.5 gallons per minute
Maximum Operating Temp
275.0 fahrenheit single response
Connection Style
flareless (tube) 1st end
Valve Operation Method
automatic
Connection Type
threaded external tube 1st end
Features Provided
bonnet packing and pressure tight outlet side
Thread Quantity Per Inch
18 1st end
Maximum Operating Pressure
100.0 pounds per square inch single response
Nominal Thread Size
0.562 inches 1st end
Seat Angle
12.0 degrees 1st end
Opening Pressure Setting
31.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
aluminum alloy 2024 and plastic polyamide (nylon) flow control device
Material
aluminum alloy 2024 body
Material
aluminum alloy 2024 seat
Media For Which Designed
hydraulic fluid, phosphate-ester base single response
Surface Treatment
anodize
Surface Treatment Document And Classification
mil-a-8625,ty 2 mil spec single treatment response
Thread Series Designator
unf 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
3H90017-101 Safety Relief Valve
8LV465 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-015-2135?
The FSCG of the NSN 4820-00-015-2135 is 4820
Does the NSN 4820-00-015-2135 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-015-2135 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 4820-00-015-2135 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-015-2135 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 4820-00-015-2135 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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