4DP2033APC160-1 1-4

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-287-5557

Item Name Code

05485

Assigment Date

01/01/1961 (65 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.

disk flow control device, union bonnet attachment method, 150.0 fahrenheit 2nd response maximum operating temp, 1.250 inches all ends nominal pipe size accommodated, 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.

Nominal Pipe Size Accommodated: 1.250 inches all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: union
Maximum Operating Temp: 150.0 fahrenheit 2nd response
Maximum Operating Temp: 550.0 fahrenheit 1st response
Connection Style: streamlined with one brazing ring all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Features Provided: bonnet packing
Maximum Operating Pressure: 200.0 pounds per square inch 1st response
Maximum Operating Pressure: 400.0 pounds per square inch 2nd response
Material: copper alloy 875 or copper alloy 697 stem
Material: copper alloy 922 body
Material: copper alloy 922 flow control device
Material: plastic polytetrafluoroethylene and asbestos packing
Material Document And Classification: astm b198 alloy 875 assn std single material response or astm b371 alloy 697 assn std single material response stem
Material Document And Classification: astm b61 assn std single material response body
Material Document And Classification: astm b61 assn std single material response flow control device
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru

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
160WS1 1-4	Globe Valve
4DP2033APC160-1 1-4	Globe Valve
576-4900-1504954REVAPCV13	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-287-5557?

The FSCG of the NSN 4820-00-287-5557 is 4820

Does NSN 4820-00-287-5557 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 4820-00-287-5557 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-287-5557 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 4820-00-287-5557 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961