4820-01-416-4581

Find complete technical information, availability, and procurement data for: 4820-01-416-4581
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-416-4581

Item Name Code

32528

Assigment Date

07/19/1995 (31 years ago)

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

seawolf class ssn end item identification, threaded externally stem actuating end type, nickel alloy 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
Stem Actuating End Type: threaded externally
Material: nickel alloy

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
21247-1000-1	Fluid Valve Stem
21247-5	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-416-4581?

The FSCG of the NSN 4820-01-416-4581 is 4820

Does the NSN 4820-01-416-4581 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-416-4581 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 4820-01-416-4581 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-416-4581 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 4820-01-416-4581 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Jul 19, 1995