L-2120-C

View detailed technical data, stock status, and sourcing information for: L-2120-C
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-595-1535

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

inside spring bonnet type, spring disk loading method, union bonnet attachment method, disk flow control device, 0.250 inches all ends nominal pipe size accommodated

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: 0.250 inches all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: union
Disk Loading Method: spring
Maximum Operating Temp: 425.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +101.0 to 140.0 pounds per square inch
Special Features: w/lifting lever
Material: copper alloy body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Media For Which Designed: steam single response
Style Designator: angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-639-9621	No Name Available	01/01/1963

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
L-2120-C	Safety Relief Valve
L-2120-C 1/4INCH	Safety Relief Valve
L-2120-V 1/4INCH	Safety Relief Valve
NMP-204-1/4-101T140PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-595-1535?

The FSCG of the NSN 4820-00-595-1535 is 4820

Does the NSN 4820-00-595-1535 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-595-1535 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 4820-00-595-1535 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-595-1535 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 4820-00-595-1535 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963