4820-01-439-2978

Find complete technical information, availability, and procurement data for: 4820-01-439-2978
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-439-2978

Item Name Code

32528

Assigment Date

12/04/1996 (29 years ago)

An enclosure, including two or more electrodes, in which a flow of electrons may occur through a vacuum or a contained gas. The electronic conduction takes place either by means of electrons emitted from a cathode or by ionization of the contained gas. Includes phototubes (photoemissive type only), geiger-mueller tubes, traveling wave tubes, cathode ray tubes and microwave tubes (klystron, magnetron, or the like). Excludes:items whose primary purpose is to produce light energy; photoelectric cell; and semiconductor device (as modified).

butterfly valve type for which designed, mars class afs end item identification, 8.000 inches valve size for which designed, ar2 valve model number for which designed, rounded stem actuating end type

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: mars class afs
Valve Type For Which Designed: butterfly
Valve Size For Which Designed: 8.000 inches
Stem Actuating End Type: rounded
Valve Model Number For Which Designed: ar2
Material: steel comp 316

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
109-205-080-001-002	Fluid Valve Stem
DAR2-8-088 ITEM 3 8 IN	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-439-2978?

The FSCG of the NSN 4820-01-439-2978 is 4820

Does the NSN 4820-01-439-2978 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-439-2978 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 4820-01-439-2978 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-439-2978 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 4820-01-439-2978 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Wed, Dec 4, 1996