4820-01-285-7428

Find complete technical information, availability, and procurement data for: 4820-01-285-7428
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-285-7428

Item Name Code

05487

Assigment Date

09/20/1988 (37 years ago)

3b 2nd end thread class, 3a 1st end thread class, 450.0 fahrenheit single response maximum operating temp, poppet flow control device, 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 1st end
Thread Class: 3b 2nd end
Thread Direction: right-hand all ends
Flow Control Device: poppet
Maximum Operating Temp: 450.0 fahrenheit single response
Minimum Operating Temp: -70.0 fahrenheit
Connection Style: external seat for gasket seal (boss) 1st end
Connection Style: gasket seal (boss) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external boss 1st end
Connection Type: threaded internal boss 2nd end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 20 all ends
Maximum Operating Pressure: 600.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches all ends
Seat Angle: 37.0 degrees 1st end
Special Features: fifth surface treatment: silicone, minus 480 deg f to plus 480 deg f for air, c02, 02, n2 applications
Material: aluminum alloy body
Material Document And Classification: qq-a-200/3, alloy 2024, t4 fed spec 1st material response and qq-a-225/8, alloy 6061, t651 fed spec 2nd material response body
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,type 1 mil spec single treatment response
Style Designator: straight thru
Supplementary Features: appl to f-16d blk40/60
Thread Series Designator: unj 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
4C203A3	Check Valve
824A-4JT	Check Valve
C7553A3-4	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-285-7428?

The FSCG of the NSN 4820-01-285-7428 is 4820

Does the NSN 4820-01-285-7428 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-285-7428 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 4820-01-285-7428 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-285-7428 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 4820-01-285-7428 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Tue, Sep 20, 1988