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4820-01-284-4245

Find complete technical information, availability, and procurement data for: 4820-01-284-4245

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4820-01-284-4245
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-284-4245
Item Name Code
05488
Assigment Date
08/24/1988 (37 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.

inside screw bonnet type, threaded bonnet attachment method, 4 all ends bolt hole quantity, piston flow control device, automatic valve operation method

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
piston
Bonnet Type
inside screw
Bonnet Attachment Method
threaded
Bolt Hole Quantity
4 all ends
Valve Operation Method
automatic
Flange Shape
round with holes all ends
Connection Type
flange all ends
Valve Size
1.250 inches
Adjustable Pressure Range
+30.0 to 100.0 pounds per square inch
Nominal Outside Diameter
5.250 inches all ends
Nominal Thickness
0.750 inches all ends
First Connection Face To Centerline Distance
3.750 inches
Bolt Hole Nominal Diameter
0.750 inches all ends
Second Connection Face To Centerline Distance
3.750 inches
Bolt Circle Nominal Diameter
3.875 inches all ends
Flange Face Design
raised straight all ends
Raised Face Nominal Height
0.062 inches all ends
Raised Face Nominal Diameter
2.500 inches all ends
Material
steel corrosion resisting body
Style Designator
angle flanged ends
Furnished Items And Quantity
1 handwheel

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
HV-3270 AND HVSF-6R 30T100PSI Safety Relief Valve
HVSF-6R 30T100PSI Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-284-4245?
The FSCG of the NSN 4820-01-284-4245 is 4820
Does the NSN 4820-01-284-4245 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-284-4245 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 4820-01-284-4245 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-284-4245 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 4820-01-284-4245 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Wed, Aug 24, 1988

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