4820-01-439-8939

Find complete technical information, availability, and procurement data for: 4820-01-439-8939
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-439-8939

Item Name Code

05485

Assigment Date

12/23/1996 (29 years ago)

A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); couplig (as modified); or nipple (as modified). Excludes: tube,bent (as modified); pipe,metallic; spacer sleeve; metal bar (hollow); and items with fitting, except end protectors.

inside screw bonnet type, union bonnet attachment method, disk flow control device, 250.0 fahrenheit single response maximum operating temp, 0.750 inches all ends nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.750 inches all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: union
Maximum Operating Temp: 250.0 fahrenheit single response
End Item Identification: strategic sealift conversion ships class
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 700.0 pounds per square inch single response
Special Features: material cobalt-chromium tungsten-nickel disk, seat, and stem
Material: cobalt alloy seat
Material: cobalt alloy flow control device
Material: cobalt alloy stem
Material: steel corrosion resisting body
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Furnished Items And Quantity: 1 handwheel

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
211031923	Globe Valve
803-6397434-231121	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-439-8939?

The FSCG of the NSN 4820-01-439-8939 is 4820

Does the NSN 4820-01-439-8939 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-439-8939 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 4820-01-439-8939 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-439-8939 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 4820-01-439-8939 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Dec 23, 1996