3640-50

View detailed technical data, stock status, and sourcing information for: 3640-50
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-311-8339

Item Name Code

16989

Assigment Date

12/06/1989 (36 years ago)

A switch actuated by a definite angular rotation of the switch shaft about its axis. It consists of a body,switch and a control,rotary switch. For items having rated actuation travel and pressure characteristics, see switch,sensitive. Excludes relay,rotary; switch,stepping; and switch,telephone (as modified).

plastic body material, disk flow control device, automatic valve operation method

Product Characteristics

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

Flow Control Device: disk
Valve Operation Method: automatic
Material: plastic body

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
3640-50	Poppet Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-01-311-8339?

The FSCG of the NSN 4820-01-311-8339 is 4820

Does the NSN 4820-01-311-8339 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-311-8339 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 4820-01-311-8339 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-311-8339 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 4820-01-311-8339 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Wed, Dec 6, 1989