4820-00-087-4142

Find complete technical information, availability, and procurement data for: 4820-00-087-4142
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-087-4142

Item Name Code

05487

Assigment Date

02/19/1972 (54 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, 3a 1st end thread class, right-hand 1st end thread direction, automatic valve operation method, flareless 1st 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 Class: 3a 1st end
Thread Direction: right-hand 1st end
Disk Loading Method: spring
Connection Style: flareless 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Thread Quantity Per Inch: 14 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.875 inches 1st end
Seat Angle: 24.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 0.625 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
Style Designator: straight thru
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
SS70-910K10C	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-087-4142?

The FSCG of the NSN 4820-00-087-4142 is 4820

Does the NSN 4820-00-087-4142 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-087-4142 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 4820-00-087-4142 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-087-4142 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 4820-00-087-4142 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Feb 19, 1972