482-1/4D2-2

View detailed technical data, stock status, and sourcing information for: 482-1/4D2-2
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-087-1583

Item Name Code

05487

Assigment Date

01/01/1963 (63 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.

0.250 inches 2nd end nominal pipe size accommodated, right-hand 2nd end thread direction, right-hand 1st end thread direction, poppet flow control device, 0.250 inches 1st end nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.250 inches 1st end
Nominal Pipe Size Accommodated: 0.250 inches 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 200.0 fahrenheit single response
Connection Style: plain (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded internal pipe 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 18 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Nominal Thread Size: 0.250 inches 2nd end
Material: aluminum alloy seat
Material: aluminum alloy body
Material: steel comp 304 and rubber butadiene-acrylonitrile class nbr and steel comp 303 flow control device
Material Document And Classification: 66 fed std single material response body
Media For Which Designed: oil 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: npt 2nd end
Thread Series Designator: npt 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
482-1/4D2-2	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-087-1583?

The FSCG of the NSN 4820-00-087-1583 is 4820

Does the NSN 4820-00-087-1583 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-087-1583 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 4820-00-087-1583 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-087-1583 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 4820-00-087-1583 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963