4820-01-271-7884

Find complete technical information, availability, and procurement data for: 4820-01-271-7884
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-271-7884

Item Name Code

05485

Assigment Date

01/30/1988 (38 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

disk flow control device, manual valve operation method, outside screw-yoke bonnet type, bolted bonnet attachment method, 4 all ends bolt hole quantity

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
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 4 all ends
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Features Provided: bonnet packing
Valve Size: 3.000 inches
Nominal Outside Diameter: 7.500 inches all ends
Face To Face Distance: 9.125 inches
Nominal Thickness: 0.688 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Bolt Circle Nominal Diameter: 6.000 inches all ends
Flange Face Design: plain all ends
Special Features: stop check type
Material: bronze body
Material: bronze flow control device
Material: bronze seat
Material: copper alloy 485 stem
Material: graphite packing
Material Document And Classification: astm b21 alloy c assn std single material response stem
Style Designator: straight thru flanged ends
Supplementary Features: this item has been reviewed for asbestos material. the current approved source, 79342, has indicated their part number contained asbestos prior to 1984. they continue to manufacture the same part number without asbestos material after 1984

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
B15GSC 3IN AND 7889	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-271-7884?

The FSCG of the NSN 4820-01-271-7884 is 4820

Does the NSN 4820-01-271-7884 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-271-7884 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 4820-01-271-7884 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-271-7884 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 4820-01-271-7884 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Jan 30, 1988