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4820-01-240-8334

Find complete technical information, availability, and procurement data for: 4820-01-240-8334

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4820-01-240-8334
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-240-8334
Item Name Code
05488
Assigment Date
09/19/1986 (39 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.

threaded bonnet attachment method, disk flow control device, spring disk loading method, inside screw bonnet type, 12 all ends bolt hole quantity

Product Characteristics

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

Flow Control Device
disk
Bonnet Type
inside screw
Bonnet Attachment Method
threaded
Disk Loading Method
spring
Bolt Hole Quantity
12 all ends
Maximum Operating Temp
165.0 fahrenheit single response
Valve Operation Method
automatic or manual
Flange Shape
round with holes all ends
Connection Type
flange all ends
Valve Size
6.000 inches
Adjustable Pressure Range
+30.0 to 50.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Nominal Outside Diameter
10.125 inches all ends
Nominal Thickness
0.563 inches all ends
First Connection Face To Centerline Distance
8.125 inches
Bolt Hole Nominal Diameter
0.688 inches all ends
Second Connection Face To Centerline Distance
9.625 inches
Bolt Circle Nominal Diameter
8.875 inches all ends
Flange Face Design
raised straight all ends
Raised Face Nominal Height
0.062 inches all ends
Raised Face Nominal Diameter
8.500 inches all ends
Special Features
model 1384
Material
nickel alloy seat
Material
nickel alloy stem
Material Document And Classification
astm b61 assn std single material response body
Material Document And Classification
qq-n-298 fed spec single material response seat
Material Document And Classification
qq-n-288 fed spec single material response stem
Media For Which Designed
water, salt single response
Style Designator
angle flanged ends
Furnished Items And Quantity
1 lever

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
1384 6IN 30T50PSI PL4265 Safety Relief Valve
2385R624 Safety Relief Valve
C3458-PL4265-30T50PSI Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-240-8334?
The FSCG of the NSN 4820-01-240-8334 is 4820
Does the NSN 4820-01-240-8334 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-240-8334 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 4820-01-240-8334 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-240-8334 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 4820-01-240-8334 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Fri, Sep 19, 1986

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