4820-01-145-1856

Find complete technical information, availability, and procurement data for: 4820-01-145-1856
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-145-1856

Item Name Code

05487

Assigment Date

01/07/1983 (43 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.

spring disk loading method, right-hand all ends thread direction, disk flow control device, 3a all ends thread class, 275.0 fahrenheit single response maximum operating temp

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 all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches all ends
Material: aluminum alloy 2024 body
Material: steel comp 440c flow control device
Material Document And Classification: qq-a-225/6, alloy 2024 fed spec single material response body
Media For Which Designed: hydraulic fluid, petroleum base single response
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: unjf 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
2C5260	Check Valve
SS70-902K6D	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-145-1856?

The FSCG of the NSN 4820-01-145-1856 is 4820

Does the NSN 4820-01-145-1856 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-145-1856 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 4820-01-145-1856 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-145-1856 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 4820-01-145-1856 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Jan 7, 1983