4820-01-136-6536

Find complete technical information, availability, and procurement data for: 4820-01-136-6536
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-136-6536

Item Name Code

05487

Assigment Date

08/12/1982 (44 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

right-hand all ends thread direction, spring disk loading method, disk flow control device, pressed-in renewable seat ring type, 2a all ends 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 all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 225.0 fahrenheit single response
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Nominal Thread Size: 2.000 inches all ends
Material: copper alloy body
Material: nickel alloy flow control device
Material: steel corrosion resisting seat
Media For Which Designed: water-oil-gas single response
Style Designator: angle
Thread Series Designator: un all ends

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
67178-2 .75IPS	Check Valve
681-4	Check Valve
681-4-PL-0884-C	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-136-6536?

The FSCG of the NSN 4820-01-136-6536 is 4820

Does the NSN 4820-01-136-6536 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-136-6536 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 4820-01-136-6536 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-136-6536 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 4820-01-136-6536 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Aug 12, 1982