4820-01-253-0486

Find complete technical information, availability, and procurement data for: 4820-01-253-0486
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-253-0486

Item Name Code

20962

Assigment Date

04/11/1987 (39 years ago)

203.0 fahrenheit single response maximum operating temp, 3a all ends thread class, flared (tube) 2nd end connection style, external seat for gasket seal (boss) 1st end connection style, right-hand all ends thread direction

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Maximum Operating Temp: 203.0 fahrenheit single response
Connection Style: external seat for gasket seal (boss) 1st end
Connection Style: flared (tube) 2nd end
Valve Operation Method: manual
Connection Type: threaded external boss 1st end
Connection Type: threaded external tube 2nd end
Thread Quantity Per Inch: 18 1st end
Maximum Operating Pressure: 75.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches all ends
Seat Angle: 37.0 degrees all ends
Material: aluminum alloy body
Media For Which Designed: oxygen, gaseous single response
Style Designator: straight thru
Thread Series Designator: unj 1st end
Thread Series Designator: unjf 2nd 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
72D6-0	Ball Valve
7M858	Ball Valve
7M858-6	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-253-0486?

The FSCG of the NSN 4820-01-253-0486 is 4820

Does the NSN 4820-01-253-0486 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-253-0486 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 4820-01-253-0486 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-253-0486 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 4820-01-253-0486 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Apr 11, 1987