4820-01-156-0259

Find complete technical information, availability, and procurement data for: 4820-01-156-0259
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-156-0259

Item Name Code

05483

Assigment Date

06/18/1983 (43 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.

inside screw bonnet type, 2a 1st end thread class, stem flow control device, right-hand 1st end thread direction, right-hand 2nd end 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: 2a 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: stem
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: flared (tube) 1st end
Valve Operation Method: manual
Connection Type: threaded external pipe 2nd end
Connection Type: threaded external tube 1st end
Nominal Thread Size: 0.250 inches 2nd end
Nominal Thread Size: 0.625 inches 1st end
Seat Angle: 12.5 degrees 1st end
Material: copper alloy overall
Style Designator: angle
Thread Series Designator: npt 2nd end
Thread Series Designator: unf 1st end

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
YG3-9	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-156-0259?

The FSCG of the NSN 4820-01-156-0259 is 4820

Does NSN 4820-01-156-0259 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 4820-01-156-0259 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-156-0259 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 4820-01-156-0259 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Jun 18, 1983