ASI-B1025E-6-18

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-247-9957

Item Name Code

05482

Assigment Date

01/15/1987 (39 years ago)

A valve with one inlet and one outlet connection with outlet flow at an angle to inlet flow. The flow is controlled by the action of a stem which lifts disks perpendicularly off the center axis of its seat. It may be inline or cartridge (manifold) design. Excludes:valve (1), y; valve, stop-check; and cock, shutoff, screw stem.

flange, round w/holes connection type, 18.000 inches valve size, bolted bonnet attachment method, outside screw-yoke bonnet type, 4 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.

Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 4
Connection Type: flange, round w/holes
Valve Size: 18.000 inches
Face To Face Distance: 17.000 inches
Flange Face Design: plain
Nominal Outside Diameter Tube Accommodated: 9.875 inches
Material: copper alloy 922 body
Material: nickel alloy disk
Material: nickel alloy 400 or nickel alloy r-405 stem
Material Document And Classification: astm b61 assn std single material response body
Material Document And Classification: qq-n-281 fed spec single material response stem
Material Document And Classification: qq-n-288 fed spec single material response disk
Reference Number Differentiating Characteristics: less manual gear operator

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
ASI-B1025E-6-18	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-01-247-9957?

The FSCG of the NSN 4820-01-247-9957 is 4820

Does NSN 4820-01-247-9957 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 4820-01-247-9957 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-247-9957 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 4820-01-247-9957 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Jan 15, 1987