4820-01-429-5421

Find complete technical information, availability, and procurement data for: 4820-01-429-5421
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-429-5421

Item Name Code

20962

Assigment Date

04/12/1996 (30 years ago)

A repair kit consisting of parts and tool(s) used to repair a valve (as modified).

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

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 844 body
Material: plastic polytetrafluoroethylene packing
Material: plastic polytetrafluoroethylene seat
Material: steel comp 316 flow control device
Material: steel comp 316 stem
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
19850B004 IT27	Ball Valve
3810SJ-6 2-1/2IN	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-429-5421?

The FSCG of the NSN 4820-01-429-5421 is 4820

Does NSN 4820-01-429-5421 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 4820-01-429-5421 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-429-5421 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 4820-01-429-5421 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Apr 12, 1996