255-5819 PIECE 3-20

View detailed technical data, stock status, and sourcing information for: 255-5819 PIECE 3-20
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-370-7797

Item Name Code

05485

Assigment Date

01/30/1993 (33 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

threaded bonnet attachment method, inside screw bonnet type, 3b all ends thread class, right-hand all ends thread direction, disk flow control device

Product Characteristics

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

Thread Class: 3b all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: flare(tube) all ends
Valve Operation Method: manual
Connection Type: threaded internal tube all ends
Thread Quantity Per Inch: 18 all ends
Nominal Thread Size: 0.562 inches all ends
Nominal Outside Diameter Tube Accommodated: 0.375 inches all ends
Material: steel corrosion resisting body
Style Designator: straight thru
Thread Series Designator: un 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
255-5819 PIECE 3-20	Globe Valve
808SGT-06D	Globe Valve
808SGT-06T	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-370-7797?

The FSCG of the NSN 4820-01-370-7797 is 4820

Does the NSN 4820-01-370-7797 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-370-7797 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 4820-01-370-7797 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-370-7797 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 4820-01-370-7797 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Jan 30, 1993