4820-01-302-6638

Find complete technical information, availability, and procurement data for: 4820-01-302-6638
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-302-6638

Item Name Code

05485

Assigment Date

06/17/1989 (37 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

inside screw bonnet type, piston flow control device, 3a all ends thread class, union bonnet attachment method, right-hand all ends thread direction

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: piston
Bonnet Type: inside screw
Bonnet Attachment Method: union
Maximum Operating Temp: 650.0 fahrenheit single response
Connection Style: flareless (tube) all ends
Valve Operation Method: manual
Connection Type: threaded external tube all ends
Nominal Thread Size: 0.500 inches all ends
Seat Angle: 20.0 degrees all ends
Material: steel corrosion resisting body
Media For Which Designed: vacuum single response
Style Designator: straight thru
Thread Series Designator: unf 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
SS-8UG-906	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-302-6638?

The FSCG of the NSN 4820-01-302-6638 is 4820

Does the NSN 4820-01-302-6638 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-302-6638 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 4820-01-302-6638 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-302-6638 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 4820-01-302-6638 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Jun 17, 1989