4820-00-111-1142

Find complete technical information, availability, and procurement data for: 4820-00-111-1142
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-111-1142

Item Name Code

05487

Assigment Date

08/14/1968 (58 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.

poppet flow control device, spring disk loading method, plain (pipe) 1st end connection style, right-hand all ends thread direction, plain, optional end (pipe) 2nd end connection style

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: plain (pipe) 1st end
Connection Style: plain, optional end (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 500.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: steel corrosion resisting overall
Media For Which Designed: hydraulic fluid, mineral base single response
Style Designator: straight thru
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-072-7474	No Name Available	12/14/1973
4820-00-456-9848	No Name Available	07/01/1985
4820-00-595-4160	No Name Available	07/01/1976
4820-01-120-6799	No Name Available	06/01/1987

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
67B57641	Check Valve
942K50	Check Valve
942K50-1-4	Check Valve
M196	Check Valve
PWA7441-22	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-111-1142?

The FSCG of the NSN 4820-00-111-1142 is 4820

Does the NSN 4820-00-111-1142 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-111-1142 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 4820-00-111-1142 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-111-1142 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 4820-00-111-1142 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Aug 14, 1968