21243-001

View detailed technical data, stock status, and sourcing information for: 21243-001
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-415-4386

Item Name Code

20520

Assigment Date

06/27/1995 (31 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

qq-a-225/8 fed spec single material response body material document and classification, 3000.0 pounds per square inch single response maximum operating pressure, anodize surface treatment, seawolf class ssn end item identification, aluminum alloy 6061 body material

Product Characteristics

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

End Item Identification: seawolf class ssn
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Material: aluminum alloy 6061 body
Material Document And Classification: qq-a-225/8 fed spec single material response body
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625, type i, class i mil spec single treatment response
Supplementary Features: flow control device: dilating o-ring

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
21243-001	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-415-4386?

The FSCG of the NSN 4820-01-415-4386 is 4820

Does the NSN 4820-01-415-4386 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-415-4386 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-415-4386 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-415-4386 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 4820-01-415-4386 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Tue, Jun 27, 1995