4820-00-105-2421

Find complete technical information, availability, and procurement data for: 4820-00-105-2421
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-105-2421

Item Name Code

05487

Assigment Date

07/12/1968 (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, 3a all ends thread class, flareless all ends connection style, right-hand all ends 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 all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: flareless all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.875 inches 2nd end
Nominal Thread Size: 1.062 inches 1st end
Seat Angle: 12.0 degrees all ends
Material: aluminum alloy 2024 body
Material: steel comp 416 flow control device
Media For Which Designed: hydraulic fluid, petroleum base single response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,ty 2 mil spec single treatment response
Style Designator: straight thru
Thread Series Designator: unj 1st end
Thread Series Designator: unjf 2nd 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
SS70-916K12-10D	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-105-2421?

The FSCG of the NSN 4820-00-105-2421 is 4820

Does the NSN 4820-00-105-2421 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-105-2421 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 4820-00-105-2421 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-105-2421 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 4820-00-105-2421 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Jul 12, 1968