4820-00-820-4390

Find complete technical information, availability, and procurement data for: 4820-00-820-4390
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-820-4390

Item Name Code

05487

Assigment Date

01/01/1962 (64 years ago)

3a all ends thread class, 250.0 fahrenheit single response maximum operating temp, poppet flow control device, right-hand all ends thread direction, spring disk loading method

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
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 1.312 inches all ends
Seat Angle: 37.0 degrees all ends
Material: aluminum alloy seat
Material: aluminum alloy body
Material: steel corrosion resisting flow control device
Media For Which Designed: air 2nd response
Media For Which Designed: oil, hydraulic 1st response
Media For Which Designed: water, fresh 3rd response
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: un all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-161-7593	No Name Available	03/01/1980
4820-00-787-5146	No Name Available	01/26/1966
4820-00-802-8427	No Name Available	05/23/1969
4820-00-844-0004	No Name Available	12/08/1967
4820-00-878-9786	No Name Available	12/08/1967
4820-00-882-0599	No Name Available	11/01/1983

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
1316A-1	Check Valve
458-16D	Check Valve
458-16DT6	Check Valve
K1247-16	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-820-4390?

The FSCG of the NSN 4820-00-820-4390 is 4820

Does the NSN 4820-00-820-4390 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-820-4390 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 4820-00-820-4390 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-820-4390 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 4820-00-820-4390 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962