ASI-B1025E-3 12IN

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-247-7785

Item Name Code

05482

Assigment Date

01/12/1987 (39 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

bolted bonnet attachment method, 4 bolt hole quantity, 19.000 inches flange diameter, outside screw-yoke bonnet type, manual 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.

Flange Diameter: 19.000 inches
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 4
Valve Operation Method: manual
Connection Type: flange, round w/holes
Valve Size: 12.000 inches
Maximum Operating Pressure And Media For Which Designed: 150.0 pounds per square inch water-oil-gas
Stem Type: rising
Face To Face Distance: 14.000 inches
Flange Face Design: plain
Inlet Relationship With Outlet: identical
Pressure Class: 150.0 pounds
Special Features: modified to accept electric motor operator
Material: nickel alloy disk
Material: nickel alloy seat
Material: nickel alloy stem
Material: nickel alloy 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
ASI-B1025E-3 12IN	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-01-247-7785?

The FSCG of the NSN 4820-01-247-7785 is 4820

Does the NSN 4820-01-247-7785 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-247-7785 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 4820-01-247-7785 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-247-7785 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 4820-01-247-7785 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Mon, Jan 12, 1987