5159B2M1000

View detailed technical data, stock status, and sourcing information for: 5159B2M1000
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-418-2749

Item Name Code

05488

Assigment Date

12/02/1970 (55 years ago)

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

Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 1000.0 pounds per square inch
Material: copper alloy body
Material: copper alloy seat
Style Designator: straight thru note: to be used for valve bodies of one section only.
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
5159B2M1000	Safety Relief Valve
67B57639-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-418-2749?

The FSCG of the NSN 4820-00-418-2749 is 4820

Does the NSN 4820-00-418-2749 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-418-2749 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 4820-00-418-2749 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-418-2749 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 4820-00-418-2749 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 2, 1970