4820-00-185-9853

Find complete technical information, availability, and procurement data for: 4820-00-185-9853
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-185-9853

Item Name Code

05487

Assigment Date

03/02/1973 (53 years ago)

spring disk loading method, 2a 2nd end thread class, right-hand all ends thread direction, ball flow control device, 2b 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: 2a 2nd end
Thread Class: 2b 1st end
Thread Direction: right-hand all ends
Flow Control Device: ball
Disk Loading Method: spring
Connection Style: flare (tube) 1st end
Connection Style: flared (tube) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external tube 2nd end
Connection Type: threaded internal tube 1st end
Mounting Position: horizontal or vertical
Nominal Thread Size: 0.437 inches all ends
Seat Angle: 45.0 degrees all ends
Nominal Outside Diameter Tube Accommodated: 0.250 inches all ends
Material: steel corrosion resisting overall
Style Designator: straight thru
Thread Series Designator: unf 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
311764	Check Valve
311764-001	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-185-9853?

The FSCG of the NSN 4820-00-185-9853 is 4820

Does the NSN 4820-00-185-9853 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-185-9853 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 4820-00-185-9853 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-185-9853 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 4820-00-185-9853 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Mar 2, 1973