4820-01-027-2231

Find complete technical information, availability, and procurement data for: 4820-01-027-2231
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-027-2231

Item Name Code

05487

Assigment Date

09/12/1976 (49 years ago)

3a 1st end thread class, right-hand 2nd end thread direction, poppet flow control device, right-hand 1st end thread direction, 3a 2nd end thread class

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: 3a 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: flared (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 2nd end
Connection Type: threaded external tube 1st end
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches 1st end
Nominal Thread Size: 0.438 inches 2nd end
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 0.250 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: rubber synthetic seat
Material: steel corrosion resisting body
Material: steel corrosion resisting flow control device
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: straight thru
Thread Series Designator: unjf 2nd end
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
22863	Check Valve
3C2168	Check Valve
3C2168-1	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-027-2231?

The FSCG of the NSN 4820-01-027-2231 is 4820

Does the NSN 4820-01-027-2231 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-027-2231 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 4820-01-027-2231 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-027-2231 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 4820-01-027-2231 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Sep 12, 1976