4820-00-878-3451

Find complete technical information, availability, and procurement data for: 4820-00-878-3451
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-878-3451

Item Name Code

05488

Assigment Date

09/01/1967 (58 years ago)

right-hand 2nd end thread direction, right-hand 1st end thread direction, spring disk loading method, disk flow control device, plain (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.

Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain (pipe) 2nd end
Connection Style: plain,optional end(pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded internal pipe 1st end
Maximum Operating Pressure: 100.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches 2nd end
Nominal Thread Size: 0.500 inches 1st end
Opening Pressure Setting: 125.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: liquid single response
Style Designator: angle
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-904-9516	No Name Available	08/01/1998

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
011G-B	Safety Relief Valve
2611 3-8 75PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-878-3451?

The FSCG of the NSN 4820-00-878-3451 is 4820

Does the NSN 4820-00-878-3451 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-878-3451 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 4820-00-878-3451 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-878-3451 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 4820-00-878-3451 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Sep 1, 1967