4820-01-124-9979

Find complete technical information, availability, and procurement data for: 4820-01-124-9979
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-124-9979

Item Name Code

05488

Assigment Date

01/19/1982 (44 years ago)

An item designed to pass frequencies within a specified range (band) and to suppress frequencies outside the range (band). Excludes:a single inductance, or a single capacitance, or a single resistance. See coil (as modified); reactor; capacitor (as modified); and resistor (as modified).

poppet flow control device, right-hand all ends thread direction, plain (pipe) all ends connection style, 250.0 fahrenheit single response maximum operating temp, 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 Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches all ends
Opening Pressure Setting: 8.0 pounds per square inch
Material: copper alloy body
Material: copper alloy and rubber butadiene-acrylonitrile class nbr flow control device
Material: copper alloy seat
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Media For Which Designed: gas, inert 5th response
Media For Which Designed: hydrogen 4th response
Media For Which Designed: refrigerant 12 3rd response
Surface Treatment: chromium
Style Designator: straight thru
Thread Series Designator: npt 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
559B-1M-8	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-124-9979?

The FSCG of the NSN 4820-01-124-9979 is 4820

Does the NSN 4820-01-124-9979 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-124-9979 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 4820-01-124-9979 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-124-9979 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 4820-01-124-9979 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Jan 19, 1982