2C9718

View detailed technical data, stock status, and sourcing information for: 2C9718
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-191-7855

Item Name Code

05487

Assigment Date

03/18/1973 (53 years ago)

right-hand 2nd end thread direction, 3a 1st end thread class, 3a 2nd end thread class, poppet flow control device, right-hand 1st end 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 1st end
Thread Class: 3a 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: flareless 1st end
Connection Style: flareless 2nd end
Valve Operation Method: automatic
Connection Type: threaded external tube 2nd end
Connection Type: threaded external tube 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 16 1st end
Thread Quantity Per Inch: 18 2nd end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 12.0 degrees 1st end
Seat Angle: 12.0 degrees 2nd end
Nominal Outside Diameter Tube Accommodated: 0.375 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Material: steel comp 303 body
Material: steel comp 303 seat
Media For Which Designed: hydraulic fluid, petroleum base single response
Surface Treatment: passivate
Surface Treatment Document And Classification: mil-s-5002 mil spec single treatment response
Style Designator: straight thru
Thread Series Designator: unjf 2nd end
Thread Series Designator: unjf 1st 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
2C9718	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-191-7855?

The FSCG of the NSN 4820-00-191-7855 is 4820

Does the NSN 4820-00-191-7855 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-191-7855 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 4820-00-191-7855 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-191-7855 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 4820-00-191-7855 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sun, Mar 18, 1973