S-3990 REV A 2I

View detailed technical data, stock status, and sourcing information for: S-3990 REV A 2I
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-274-6750

Item Name Code

32559

Assigment Date

03/11/1988 (38 years ago)

A spherical shaped device with two or more ports used to prevent or regulate the flow of fluids in a valve, nozzle, or the like. It may include an integral valve stem. For valve balls that do not include ports see ball, check. Excludes:plug, rotary, valve.

1 stem accommodation quantity, 2 port quantity, straight port configuration, for ball valve series 4000, sz 2.000 in. special features, strategic sealift conversion ships class end item identification

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: strategic sealift conversion ships class
Port Quantity: 2
Stem Accommodation Quantity: 1
Port Configuration: straight
Special Features: for ball valve series 4000, sz 2.000 in.
Material: steel
Surface Treatment: chromium

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
001-0550-22	Ported Valve Ball
1 1/2-4P-2200TT-1 ITEM 3	Ported Valve Ball
1-1/2-4P-2200TT	Ported Valve Ball
NJ 2IN 21-1100TTC0	Ported Valve Ball
S-3990 REV A 2I	Ported Valve Ball

FAQs

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

What is the FSCG of the NSN 4820-01-274-6750?

The FSCG of the NSN 4820-01-274-6750 is 4820

Does the NSN 4820-01-274-6750 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-274-6750 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 4820-01-274-6750 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-274-6750 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 4820-01-274-6750 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Mar 11, 1988