4820-01-421-4641

Find complete technical information, availability, and procurement data for: 4820-01-421-4641
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-4641

Item Name Code

22113

Assigment Date

11/08/1995 (30 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

qq-n-288 fed spec single material response seat material document and classification, for 4 in. stop check valve special features, osprey class mhc end item identification, nickel alloy seat 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: osprey class mhc
Special Features: for 4 in. stop check valve
Material: nickel alloy seat
Material Document And Classification: qq-n-288 fed spec single material response seat

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
15-3 PART 6 4.00IN	Valve Seat
15-3-0400-6	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-421-4641?

The FSCG of the NSN 4820-01-421-4641 is 4820

Does the NSN 4820-01-421-4641 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-421-4641 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 4820-01-421-4641 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-4641 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 4820-01-421-4641 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, Nov 8, 1995