4820-01-059-1173

Find complete technical information, availability, and procurement data for: 4820-01-059-1173
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-059-1173

Item Name Code

05487

Assigment Date

04/06/1978 (48 years ago)

400.0 fahrenheit single response maximum operating temp, spring disk loading method, poppet flow control device, 4 2nd end bolt hole quantity, plain (tube) 1st end connection style

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: poppet
Disk Loading Method: spring
Bolt Hole Quantity: 4 2nd end
Maximum Operating Temp: 400.0 fahrenheit single response
Connection Style: plain (tube) 1st end
Nominal Width: 2.188 inches 2nd end
Nominal Length: 2.188 inches 2nd end
Valve Operation Method: automatic
Flange Shape: rectangular with holes 2nd end
Connection Type: flange 2nd end
Connection Type: unthreaded external tube 1st end
Mounting Position: horizontal
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Thickness: 0.300 inches 2nd end
Bolt Hole Nominal Diameter: 2.500 inches 2nd end
Center To Center Nominal Distance Between Bolt Holes Along Length: 1.656 inches 2nd end
Center To Center Nominal Distance Between Bolt Holes Along Width: 1.656 inches 1st end
Flange Face Design: plain 2nd end
Nominal Outside Diameter Tube Accommodated: 1.520 inches 1st end
Material: aluminum alloy 2024 flow control device
Material: aluminum alloy 6061 body
Material: rubber seat
Material Document And Classification: mil-r-25897, type 1, class 1 mil spec single material response seat
Material Document And Classification: qq-a-200/3, alloy 2024, t4 fed spec single material response flow control device
Material Document And Classification: qq-a-225/8, alloy 6061, t651 fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response
Style Designator: straight thru

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:

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GV500TC20FMK	Check Valve
L81400-20FMK	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-059-1173?

The FSCG of the NSN 4820-01-059-1173 is 4820

Does the NSN 4820-01-059-1173 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-059-1173 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 4820-01-059-1173 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-059-1173 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 4820-01-059-1173 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Apr 6, 1978