4820PL1341628

View detailed technical data, stock status, and sourcing information for: 4820PL1341628
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-482-8907

Item Name Code

05487

Assigment Date

02/05/1971 (55 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

1.250 inches all ends nominal pipe size accommodated, 150.0 fahrenheit 2nd response maximum operating temp, disk flow control device, socket with brazing ring (pipe) all ends connection style, 425.0 fahrenheit 1st response maximum operating temp

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: 1.250 inches all ends
Flow Control Device: disk
Maximum Operating Temp: 150.0 fahrenheit 2nd response
Maximum Operating Temp: 425.0 fahrenheit 1st response
Connection Style: socket with brazing ring (pipe) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal or vertical
Valve Size: 1.250 inches
Maximum Operating Pressure: 200.0 pounds per square inch 1st response
Maximum Operating Pressure: 400.0 pounds per square inch 2nd response
Special Features: 1.250 in. valve size,each valve shall have threebuna-n o-rings packed in a bag and securely attached with instructions o-rings for oil service only
Material: copper alloy 922 body
Material: copper alloy 922 seat
Material: nickel alloy r-405 flow control device
Material Document And Classification: qq-n-281 fed spec single material response flow control device
Material Document And Classification: qq-c-390,alloy d4/d/ fed spec single material response body
Material Document And Classification: qq-c-390,alloy d4/d/ fed spec single material response seat
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru
Test Data Document: "03950-acid no.882037045 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Replaces National Stock Numbers

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

NSN	Name	Date
4820-00-140-3578	No Name Available	10/14/1973
4820-00-287-4199	No Name Available	05/01/1983
4820-00-287-5147	No Name Available	05/01/1984
4820-00-889-2490	No Name Available	10/14/1973
4820-01-026-4809	No Name Available	09/01/1980
4820-01-213-4324	No Name Available	07/01/1992
4820-01-239-5143	No Name Available	06/01/1990

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
1B948 1 1-4IN	Check Valve
419WS1 1-4IN	Check Valve
426WS 1 1-4IN	Check Valve
4820PL1341628	Check Valve
4DP2080A1 1-4IN	Check Valve
4DP2080A1 1/4 I	Check Valve
803-1385721-6	Check Valve
810-1385721 1-1/4IN	Check Valve
810-1385721-6	Check Valve
810-1385721REVK	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-482-8907?

The FSCG of the NSN 4820-00-482-8907 is 4820

Does the NSN 4820-00-482-8907 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-482-8907 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 4820-00-482-8907 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-482-8907 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 4820-00-482-8907 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Feb 5, 1971