81127S41-20221ALT2PCA

View detailed technical data, stock status, and sourcing information for: 81127S41-20221ALT2PCA
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-273-6936

Item Name Code

05488

Assigment Date

01/01/1961 (65 years ago)

right-hand 2nd end thread direction, disk flow control device, 0.750 inches 1st end nominal pipe size accommodated, spring disk loading method, plain,optional end(pipe) 2nd 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.

Nominal Pipe Size Accommodated: 0.750 inches 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: manual
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 700.0 pounds per square inch 1st response
Maximum Operating Pressure: 700.0 pounds per square inch 2nd response
Nominal Thread Size: 0.750 inches 2nd end
Opening Pressure Setting: 660.0 pounds per square inch
Material: copper alloy body
Media For Which Designed: air 1st response
Media For Which Designed: gas, natural 2nd response
Style Designator: angle
Thread Series Designator: npt 2nd end
Furnished Items And Quantity: 1 handle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-362-8933	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
3243406	Safety Relief Valve
3321162	Safety Relief Valve
81127S41-20221ALT2PCA	Safety Relief Valve
AS11S41-0189	Safety Relief Valve
PC461S41-1010PCA	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-273-6936?

The FSCG of the NSN 4820-00-273-6936 is 4820

Does the NSN 4820-00-273-6936 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-273-6936 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 4820-00-273-6936 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-273-6936 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 4820-00-273-6936 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961