74B580185-111

View detailed technical data, stock status, and sourcing information for: 74B580185-111
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-361-4004

Item Name Code

05487

Assigment Date

07/17/1992 (34 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.

flared (tube) 1st end connection style, poppet flow control device, 290.0 fahrenheit single response maximum operating temp, right-hand 1st end thread direction, 3a 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: 3a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Maximum Operating Temp: 290.0 fahrenheit single response
Connection Style: flared (tube) 1st end
Connection Style: grooved (tube) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Connection Type: unthreaded external tube 2nd end
Mounting Position: horizontal
Thread Quantity Per Inch: 12 1st end
Maximum Operating Pressure: 133.0 pounds per square inch single response
Nominal Thread Size: 1.875 inches 1st end
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 1.500 inches 2nd end
Material: steel corrosion resisting body
Media For Which Designed: air single response
Style Designator: straight thru
Thread Series Designator: unj 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-124-3682	No Name Available	07/01/1999
4820-01-335-0180	No Name Available	08/01/1999

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
10124724	Check Valve
74B580185-111	Check Valve
74B580185-117	Check Valve
CV99-127-24	Check Valve
CV99-158-24	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-361-4004?

The FSCG of the NSN 4820-01-361-4004 is 4820

Does the NSN 4820-01-361-4004 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-361-4004 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 4820-01-361-4004 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-361-4004 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 4820-01-361-4004 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Jul 17, 1992