4820-01-187-1103

Find complete technical information, availability, and procurement data for: 4820-01-187-1103
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-187-1103

Item Name Code

05488

Assigment Date

08/18/1984 (42 years ago)

150.0 fahrenheit single response maximum operating temp, bolted bonnet attachment method, inside spring bonnet type, spring disk loading method, disk flow control device

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: bolted
Disk Loading Method: spring
Maximum Operating Temp: 150.0 fahrenheit single response
Valve Operation Method: automatic
Connection Type: flange all ends
Valve Size: 2.000 inches
Adjustable Pressure Range: +106.0 to 120.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch single response
First Connection Face To Centerline Distance: 4.750 inches
Second Connection Face To Centerline Distance: 4.750 inches
Flange Face Design: plain 1st end
Flange Face Design: recessed straight 2nd end
Material: copper alloy body
Material: nickel alloy seat
Material: nickel alloy stem
Material Document And Classification: astm b-61 assn std single material response body
Material Document And Classification: astm b164 assn std single material response stem
Material Document And Classification: qq-n-288 fed spec single material response seat
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
20219NS41M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-187-1103?

The FSCG of the NSN 4820-01-187-1103 is 4820

Does the NSN 4820-01-187-1103 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-187-1103 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 4820-01-187-1103 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-187-1103 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 4820-01-187-1103 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Aug 18, 1984