4820-01-385-9020

Find complete technical information, availability, and procurement data for: 4820-01-385-9020
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-385-9020

Item Name Code

20962

Assigment Date

01/21/1994 (32 years ago)

A flat circular metallic device with a center mounting area of various configuration (recessed, flat, protruding, shouldered, and the like). It is a component of a caliper type brake system designed with a flat machine braking surface which may be of a solid, ribbed or space designed for cooling purposes. For a roto with a hub see rotor assembly, disc brake.

plain,optional end(pipe) all ends connection style, inside screw bonnet type, 450.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, threaded bonnet attachment method

Product Characteristics

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

Thread Direction: right-hand all ends
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 150.0 pounds per square inch 1st response
Maximum Operating Pressure: 400.0 pounds per square inch 2nd response
Nominal Thread Size: 0.500 inches all ends
Material: bronze body
Material: copper alloy flow control device
Material: copper alloy stem
Material: plastic polytetrafluoroethylene seat
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru
Thread Series Designator: npt all ends

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
82-103 .50IN	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-385-9020?

The FSCG of the NSN 4820-01-385-9020 is 4820

Does the NSN 4820-01-385-9020 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-385-9020 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 4820-01-385-9020 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-385-9020 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 4820-01-385-9020 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Jan 21, 1994