538-1020-52-0

View detailed technical data, stock status, and sourcing information for: 538-1020-52-0
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-427-5051

Item Name Code

20962

Assigment Date

04/19/1971 (55 years ago)

right-hand 1st end thread direction, right-hand 2nd end thread direction, pressed-in renewable seat ring type, plain (tube) 1st end connection style, 2a 1st end thread class

Product Characteristics

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

Thread Class: 2a 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Renewable Seat Ring Type: pressed-in
Connection Style: plain (tube) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: manual
Connection Type: threaded external tube 1st end
Connection Type: threaded internal pipe 2nd end
Thread Quantity Per Inch: 14 1st end
Nominal Thread Size: 2.500 inches 2nd end
Nominal Thread Size: 2.500 inches 1st end
Special Features: 115-2 1/2 in. flange adapter,gaskets,attaching bolts and nuts to be included
Material: copper alloy overall
Style Designator: straight thru
Thread Series Designator: npt 2nd end
Thread Series Designator: uns 1st end

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
25BT	Ball Valve
538-1020-52-0	Ball Valve
BLT45F	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-00-427-5051?

The FSCG of the NSN 4820-00-427-5051 is 4820

Does NSN 4820-00-427-5051 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 4820-00-427-5051 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-427-5051 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 4820-00-427-5051 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Apr 19, 1971