4820-01-174-7789

Find complete technical information, availability, and procurement data for: 4820-01-174-7789
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-174-7789

Item Name Code

35224

Assigment Date

03/22/1984 (42 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.

0.866 inches nominal flange diameter, 1.045 inches nominal flange seat to disk end height, 1.188 inches nominal overall height, 0.535 inches nominal inside diameter, 0.748 inches nominal shank diameter

Product Characteristics

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

Inside Diameter: 0.535 inches nominal
Shank Diameter: 0.748 inches nominal
Flange Diameter: 0.866 inches nominal
Overall Height: 1.188 inches nominal
Flange Seat To Disk End Height: 1.045 inches nominal
Seat Angle: 15.0 degrees nominal
Material: steel
Style Designator: poppet

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
EA1044	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-174-7789?

The FSCG of the NSN 4820-01-174-7789 is 4820

Does the NSN 4820-01-174-7789 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-174-7789 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 4820-01-174-7789 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-174-7789 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 4820-01-174-7789 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Mar 22, 1984