ASI-420-8IN-FIG

View detailed technical data, stock status, and sourcing information for: ASI-420-8IN-FIG
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-254-4877

Item Name Code

05482

Assigment Date

05/05/1987 (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, outside screw-yoke bonnet type, 8 bolt hole quantity, 13.500 inches flange diameter, 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: 13.500 inches
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 8
Valve Operation Method: manual
Connection Type: flange, round w/holes
Valve Size: 8.000 inches
Stem Type: nonrising
Face To Face Distance: 11.500 inches
Flange Face Design: raised
Pressure Class: 285.0 pounds per square inch
Material: steel body
Material: steel comp 410 disk
Material: steel comp 410 seat

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-252-4580	No Name Available	02/01/1999

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
1512X-8IN	Gate Valve
47XUF-8IN	Gate Valve
ASI-420-8IN-FIG	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-01-254-4877?

The FSCG of the NSN 4820-01-254-4877 is 4820

Does the NSN 4820-01-254-4877 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803055

Does NSN 4820-01-254-4877 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 4820-01-254-4877 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-254-4877 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 4820-01-254-4877 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, May 5, 1987