10101-11 ITEM 48

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-091-5538

Item Name Code

05487

Assigment Date

03/09/1980 (46 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.

6000.0 pounds per square inch single response maximum operating pressure, spring disk loading method, ball flow control device, automatic valve operation method, horizontal or vertical mounting position

Product Characteristics

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

Flow Control Device: ball
Disk Loading Method: spring
Valve Operation Method: automatic
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Special Features: cartridge type;threaded section 1.500-16 un-2a thd;size 0.250 in. ips
Material: steel corrosion resisting overall
Style Designator: straight thru

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
10101-11 ITEM 48	Check Valve
4820PL1259449	Check Valve
6184-80	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-091-5538?

The FSCG of the NSN 4820-01-091-5538 is 4820

Does the NSN 4820-01-091-5538 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-091-5538 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-091-5538 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-091-5538 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 4820-01-091-5538 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Sun, Mar 9, 1980