4820-01-341-4257

Find complete technical information, availability, and procurement data for: 4820-01-341-4257
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-341-4257

Item Name Code

22113

Assigment Date

06/28/1991 (35 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

0.187 inches nominal body inside diameter, mfg nomenclature is fitting-check valve,case drain special features, 0.938 inches nominal overall height, 1650-01-221-8618 hydraulic motor,c-130 acft end item identification, aluminum alloy 6061 overall material

Product Characteristics

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

Overall Height: 0.938 inches nominal
Body Inside Diameter: 0.187 inches nominal
End Item Identification: 1650-01-221-8618 hydraulic motor,c-130 acft
Special Features: mfg nomenclature is fitting-check valve,case drain
Material: aluminum alloy 6061 overall
Material Document And Classification: qq-a-250/11 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625,type 2,class 1 mil spec single treatment response overall
Style Designator: plain threaded

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
149-4116	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-341-4257?

The FSCG of the NSN 4820-01-341-4257 is 4820

Does the NSN 4820-01-341-4257 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-341-4257 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 4820-01-341-4257 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-341-4257 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 4820-01-341-4257 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Jun 28, 1991