0020-G01-MG0066

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-659-9066

Item Name Code

05488

Assigment Date

12/21/2016 (9 years ago)

An item conforming to the definition of wiring harness with branches (forks). See also cable assembly, special purpose, electrical, branched, excludes:lead assembly, electrical; and lead, test.

right-hand all ends thread direction, inside spring bonnet type, 1.50 inches all ends nominal pipe size accommodated, disk flow control device, bolted 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.

Nominal Pipe Size Accommodated: 1.50 inches all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Maximum Operating Temp: 406.00 fahrenheit single response
Minimum Operating Temp: -60.00 fahrenheit
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: unthreaded internal pipe 2nd end
Valve Size: 1.50 inches
Maximum Operating Pressure: 500.00 pounds per square inch single response
Nominal Thread Size: 1.50 inches all ends
Opening Pressure Setting: 66.00 pounds per square inch
First Connection Face To Centerline Distance: 2.6875 inches
Second Connection Face To Centerline Distance: 2.125 inches
Material: bronze body
Material: bronze disk
Material: copper alloy stem
Material Document And Classification: astm b584 assn std single material response disk
Material Document And Classification: astm b16 assn std single material response stem
Material Document And Classification: astm b62 assn std single material response body
Style Designator: angle
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 cap

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
0020-G01-MG0066	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-659-9066?

The FSCG of the NSN 4820-01-659-9066 is 4820

Does the NSN 4820-01-659-9066 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-659-9066 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 4820-01-659-9066 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-659-9066 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 4820-01-659-9066 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Wed, Dec 21, 2016