4820-01-221-4268

Find complete technical information, availability, and procurement data for: 4820-01-221-4268
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-221-4268

Item Name Code

05488

Assigment Date

11/28/1985 (40 years ago)

50.0 pounds per square inch single response maximum operating pressure, poppet flow control device, +20.0 to 50.0 pounds per square inch adjustable pressure range, copper alloy 464 body material, manual valve operation method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Flow Control Device: poppet
Valve Operation Method: manual
Adjustable Pressure Range: +20.0 to 50.0 pounds per square inch
Maximum Operating Pressure: 50.0 pounds per square inch single response
Material: copper alloy 464 body
Material: plastic polytetrafluoroethylene seat
Material: steel comp 303 flow control device
Material Document And Classification: ams3651 assn std single material response seat
Material Document And Classification: qq-b-637 fed spec single material response body
Material Document And Classification: qq-s-764 fed spec single material response flow control device
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
280085 ITEM 3	Safety Relief Valve
280298-03	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-221-4268?

The FSCG of the NSN 4820-01-221-4268 is 4820

Does the NSN 4820-01-221-4268 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-221-4268 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 4820-01-221-4268 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-221-4268 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 4820-01-221-4268 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Nov 28, 1985