4820-01-112-3893

Find complete technical information, availability, and procurement data for: 4820-01-112-3893
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-112-3893

Item Name Code

16988

Assigment Date

05/03/1981 (45 years ago)

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

right-hand 1st end thread direction, 135.0 fahrenheit single response maximum operating temp, stem flow control device, 3a 1st end thread class, flared (tube) 1st end connection style

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 Direction: right-hand 1st end
Flow Control Device: stem
Maximum Operating Temp: 135.0 fahrenheit single response
Connection Style: flared (tube) 1st end
Valve Operation Method: manual
Connection Type: threaded external tube 1st end
Maximum Operating Pressure: 24.1 kilograms per square centimeter single response
Nominal Thread Size: 0.438 inches 1st end
Seat Angle: 37.0 degrees 1st end
Material: steel corrosion resisting overall
Media For Which Designed: hydraulic fluid, mineral base single response
Style Designator: angle
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
13025228	Drain Cock
S1834-01	Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-01-112-3893?

The FSCG of the NSN 4820-01-112-3893 is 4820

Does the NSN 4820-01-112-3893 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-112-3893 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 4820-01-112-3893 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-112-3893 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 4820-01-112-3893 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Sun, May 3, 1981