527E 210 PSI

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527E 210 PSI
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-061-7622
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.

3a 1st end thread class, right-hand all ends thread direction, poppet flow control device, inside spring bonnet type, 0.500 inches 2nd 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
0.500 inches 2nd end
Thread Class
3a 1st end
Thread Direction
right-hand all ends
Flow Control Device
poppet
Bonnet Type
inside spring
Bonnet Attachment Method
integral
Disk Loading Method
spring
Valve Discharge Flow Rate
1050.0 pounds per hour
Connection Style
flared (tube) 1st end
Connection Style
plain (pipe) 2nd end
Valve Operation Method
automatic
Connection Type
threaded external pipe 2nd end
Connection Type
threaded external tube 1st end
Features Provided
valve stem lock shield and bonnet packing and pressure tight outlet side
Maximum Operating Pressure
210.0 pounds per square inch single response
Nominal Thread Size
0.500 inches 2nd end
Nominal Thread Size
0.875 inches 1st end
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
210.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated
0.625 inches 1st end
Material
copper alloy overall
Media For Which Designed
air single response
Style Designator
angle
Thread Series Designator
npt 2nd end
Thread Series Designator
unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4820-00-065-2729 No Name Available 01/01/1961

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
3220-210PSI Safety Relief Valve
5240E-210 Safety Relief Valve
527-210PSI Safety Relief Valve
527E 210 PSI Safety Relief Valve
A15514-210PSI Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-061-7622?
The FSCG of the NSN 4820-00-061-7622 is 4820
Does the NSN 4820-00-061-7622 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-061-7622 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 4820-00-061-7622 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-061-7622 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 4820-00-061-7622 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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