143 1-4B

View detailed technical data, stock status, and sourcing information for: 143 1-4B
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-088-4570

Item Name Code

05483

Assigment Date

12/24/1967 (58 years ago)

A valve with one inlet and one outlet connection with outlet flow at an angle to inlet flow. The flow is controlled by the action of a stem which lifts disks perpendicularly off the center axis of its seat. It may be inline or cartridge (manifold) design. Excludes:valve (1), y; valve, stop-check; and cock, shutoff, screw stem.

needle flow control device, right-hand 1st end thread direction, 200.0 fahrenheit single response maximum operating temp, integral bonnet attachment method, inside screw bonnet type

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 1st end
Flow Control Device: needle
Bonnet Type: inside screw
Bonnet Attachment Method: integral
Maximum Operating Temp: 200.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Features Provided: bonnet packing
Maximum Operating Pressure: 5000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: copper alloy 360 body
Material: copper alloy 360 seat
Material: steel comp 303 flow control device
Material Document And Classification: 66,aisi 303/sae 30303 fed std single material response flow control device
Material Document And Classification: qq-b-626,alloy 360 fed spec single material response body
Material Document And Classification: qq-b-626,alloy 360 fed spec single material response seat
Media For Which Designed: water-oil-gas single response
Style Designator: angle
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
143 1-4B	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-088-4570?

The FSCG of the NSN 4820-00-088-4570 is 4820

Does the NSN 4820-00-088-4570 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801095

Does NSN 4820-00-088-4570 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 4820-00-088-4570 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-088-4570 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 4820-00-088-4570 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Sun, Dec 24, 1967