20213 ASSY 20213HM41M

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-1513

Item Name Code

05488

Assigment Date

01/06/1997 (29 years ago)

A circuit designed to store information and/or coded instructions. Item has pins or other connections to install in a computer or computing device. Does not include magnetic drums, tapes, punched cards or the like. For items that have portable type connections see memory, portable, solid state.

0.500 inches all ends nominal pipe size accommodated, 250.0 fahrenheit 2nd response maximum operating temp, 150.0 fahrenheit 1st response maximum operating temp, disk flow control device, spring disk loading 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: 0.500 inches all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 150.0 fahrenheit 1st response
Maximum Operating Temp: 250.0 fahrenheit 2nd response
End Item Identification: nimitz class cvn
Connection Style: socket with brazing ring all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +45.0 to 55.0 pounds per square inch
Maximum Operating Pressure: 335.0 pounds per square inch 2nd response
Maximum Operating Pressure: 400.0 pounds per square inch 1st response
Special Features: valve type 1741-t
Material: copper alloy body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: angle

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
20213 ASSY 20213HM41M	Safety Relief Valve
2021301R0045	Safety Relief Valve
20213HM41M	Safety Relief Valve
20213R01R0045	Safety Relief Valve
BAMAA05MCC	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-440-1513?

The FSCG of the NSN 4820-01-440-1513 is 4820

Does the NSN 4820-01-440-1513 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-440-1513 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 4820-01-440-1513 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-1513 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 4820-01-440-1513 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Jan 6, 1997