900574

View detailed technical data, stock status, and sourcing information for: 900574
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-717-3718

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

right-hand 1st end thread direction, 3a 1st end thread class, ball flow control device, right-hand 2nd end thread direction, 0.125 inches 2nd end nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.125 inches 2nd end
Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: ball
Disk Loading Method: spring
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 260.0 fahrenheit single response
Connection Style: plain (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded external tube 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 20 1st end
Thread Quantity Per Inch: 27 2nd end
Maximum Operating Pressure: 500.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches 2nd end
Nominal Thread Size: 0.500 inches 1st end
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 0.312 inches 1st end
Material: aluminum alloy body
Material: steel corrosion resisting seat
Media For Which Designed: oxygen, liquid single response
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: anpt 2nd end
Thread Series Designator: unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1660-00-981-9046	No Name Available	10/14/1966

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
21136-2	Check Valve
7-158-6	Check Valve
900574	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-717-3718?

The FSCG of the NSN 4820-00-717-3718 is 4820

Does the NSN 4820-00-717-3718 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-717-3718 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 4820-00-717-3718 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-717-3718 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 4820-00-717-3718 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963