D559T2M66

View detailed technical data, stock status, and sourcing information for: D559T2M66
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-432-8515

Item Name Code

05488

Assigment Date

05/14/1971 (55 years ago)

poppet flow control device, right-hand 1st end thread direction, plain (pipe) 1st end connection style, spring disk loading method, 280.0 fahrenheit single response maximum operating temp

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 280.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 66.0 pounds per square inch
Material: steel comp 303se body
Material Document And Classification: qq-s-764 fed spec single material response body
Style Designator: straight thru w/baffle
Thread Series Designator: npt 1st end

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
D559T2M66	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-432-8515?

The FSCG of the NSN 4820-00-432-8515 is 4820

Does the NSN 4820-00-432-8515 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-432-8515 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 4820-00-432-8515 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-432-8515 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 4820-00-432-8515 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, May 14, 1971