4820-01-421-0122

Find complete technical information, availability, and procurement data for: 4820-01-421-0122
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-0122

Item Name Code

05488

Assigment Date

10/30/1995 (30 years ago)

An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.

spring disk loading method, 3b 2nd end thread class, right-hand all ends thread direction, 3a 1st end thread class, 160.0 fahrenheit single response maximum operating temp

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
Disk Loading Method: spring
Maximum Operating Temp: 160.0 fahrenheit single response
Minimum Operating Temp: -65.0 fahrenheit
End Item Identification: aircraft, airlifter c-17a
Connection Style: flared (tube) 1st end
Connection Style: gasket seal(boss) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Connection Type: threaded internal boss 2nd end
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Thread Size: 0.563 inches all ends
Seat Angle: 37.0 degrees 1st end
Material: steel comp 316 body
Material: steel comp 316 flow control device
Material Document And Classification: qq-s-763 fed spec single material response or astm a479 assn std single material response body
Material Document And Classification: qq-s-763 fed spec single material response or astm a479 assn std single material response flow control device
Media For Which Designed: water, fresh single response
Surface Treatment: passivate
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: unjf 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
7D0150	Safety Relief Valve
7D0150-06	Safety Relief Valve
RV05-203-06	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-421-0122?

The FSCG of the NSN 4820-01-421-0122 is 4820

Does the NSN 4820-01-421-0122 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-421-0122 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 4820-01-421-0122 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-0122 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 4820-01-421-0122 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Oct 30, 1995