4820-01-146-5871

Find complete technical information, availability, and procurement data for: 4820-01-146-5871
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-146-5871

Item Name Code

20962

Assigment Date

02/02/1983 (43 years ago)

A self-acting valve specifically designed for use in refrigeration systems for continual control of rate of flow of refrigerant. It may be actuated by a thermostatic element or self-actuated.

socket (tube) 1st end connection style, 250.0 fahrenheit single response maximum operating temp, round 3rd end flange shape, manual valve operation method, socket (tube) 2nd end connection style

Product Characteristics

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

Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: socket (tube) 1st end
Connection Style: socket (tube) 2nd end
Valve Operation Method: manual
Flange Shape: round 3rd end
Connection Type: flange 3rd end
Connection Type: unthreaded internal tube 1st end
Connection Type: unthreaded internal tube 2nd end
Maximum Operating Pressure: 700.0 pounds per square inch single response
Nominal Outside Diameter: 5.062 inches 3rd end
Nominal Thickness: 3.562 inches 3rd end
Flange Face Design: plain 3rd end
Nominal Outside Diameter Tube Accommodated: 1.500 inches 1st end
Nominal Outside Diameter Tube Accommodated: 1.500 inches 2nd end
Special Features: optional cres flow control device
Material: bronze body
Material: bronze seat
Material: nickel alloy stem
Material: plastic polytetrafluoroethylene packing
Material: steel corrosion resisting flow control device
Material Document And Classification: qq-c-390 fed spec single material response body
Media For Which Designed: water-oil-gas single response
Style Designator: cross

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
803-5001003-B712	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-146-5871?

The FSCG of the NSN 4820-01-146-5871 is 4820

Does the NSN 4820-01-146-5871 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-146-5871 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 4820-01-146-5871 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-146-5871 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 4820-01-146-5871 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Feb 2, 1983