4820-01-222-7813

Find complete technical information, availability, and procurement data for: 4820-01-222-7813
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-222-7813

Item Name Code

05488

Assigment Date

12/17/1985 (40 years ago)

spring disk loading method, disk flow control device, inside spring bonnet type, welded renewable seat ring type, union bonnet attachment 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: disk
Bonnet Type: inside spring
Bonnet Attachment Method: union
Disk Loading Method: spring
Renewable Seat Ring Type: welded
Bolt Hole Quantity: 3 all ends
Maximum Operating Temp: 650.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 0.500 inches
Adjustable Pressure Range: +101.0 to 140.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch 1st response
Maximum Operating Pressure: 200.0 pounds per square inch 2nd response
Nominal Outside Diameter: 3.562 inches all ends
Nominal Thickness: 0.375 inches all ends
First Connection Face To Centerline Distance: 3.250 inches
Bolt Hole Nominal Diameter: 0.562 inches all ends
Second Connection Face To Centerline Distance: 3.000 inches
Bolt Circle Nominal Diameter: 2.438 inches all ends
Flange Face Design: plain all ends
Special Features: equiped with a compression screw and a lever
Material: steel body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Material: steel corrosion resisting stem
Media For Which Designed: fuel/oil, hydrocarbon 1st response
Media For Which Designed: steam 2nd response
Style Designator: angle flanged ends

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
L3110B 1/2IN 10	Safety Relief Valve
LL3110B 1/2IN 101 TO 140	Safety Relief Valve
NMP-402	Safety Relief Valve
NMP-402 1/2IN 101 TO 140	Safety Relief Valve
S4824H3,157,488	Safety Relief Valve
S4824H3,157,488 1/2IN 101 TO 140	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-222-7813?

The FSCG of the NSN 4820-01-222-7813 is 4820

Does the NSN 4820-01-222-7813 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-222-7813 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 4820-01-222-7813 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-222-7813 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 4820-01-222-7813 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Tue, Dec 17, 1985