4820-01-172-2091

Find complete technical information, availability, and procurement data for: 4820-01-172-2091
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-172-2091

Item Name Code

05488

Assigment Date

02/16/1984 (42 years ago)

spring disk loading method, 250.0 fahrenheit single response maximum operating temp, disk flow control device, bolted bonnet attachment method, inside screw bonnet type

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: socket (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Adjustable Pressure Range: +15.0 to 18.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.500 inches all ends
Material: copper alloy body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: steel corrosion resisting stem
Media For Which Designed: air 1st response
Media For Which Designed: gas, inert 2nd response
Style Designator: angle

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
R10BD1D105 AND D48677	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-172-2091?

The FSCG of the NSN 4820-01-172-2091 is 4820

Does the NSN 4820-01-172-2091 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-172-2091 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 4820-01-172-2091 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-172-2091 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 4820-01-172-2091 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Feb 16, 1984