4820-01-431-6702

Find complete technical information, availability, and procurement data for: 4820-01-431-6702
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-431-6702

Item Name Code

20962

Assigment Date

05/16/1996 (30 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

-20.0 fahrenheit minimum operating temp, inside screw bonnet type, strategic sealift conversion ships class end item identification, bolted bonnet attachment method, 360.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Maximum Operating Temp: 360.0 fahrenheit single response
Minimum Operating Temp: -20.0 fahrenheit
End Item Identification: strategic sealift conversion ships class
Connection Style: socket (tube) all ends
Valve Operation Method: manual
Connection Type: unthreaded internal tube all ends
Maximum Operating Pressure: 150.0 pounds per square inch 1st response
Maximum Operating Pressure: 600.0 pounds per square inch 2nd response
Nominal Outside Diameter Tube Accommodated: 2.500 inches all ends
Material: copper alloy 360 packing
Material: copper alloy 694 stem
Material: copper alloy 844 body
Material: copper alloy 844 flow control device
Material: plastic polytetrafluoroethylene seat
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru
Furnished Items And Quantity: 1 handle

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
3800SJ-2.50IN	Ball Valve
PL 1137-00-C IT40/41	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-431-6702?

The FSCG of the NSN 4820-01-431-6702 is 4820

Does NSN 4820-01-431-6702 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 4820-01-431-6702 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-431-6702 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 4820-01-431-6702 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, May 16, 1996