4820-01-442-2081

Find complete technical information, availability, and procurement data for: 4820-01-442-2081
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-442-2081

Item Name Code

05488

Assigment Date

03/07/1997 (29 years ago)

A definite continuous length of cable,special purpose,electrical, having one or more ends processed or terminated in fittings which provide for connectionn to other items. For items which the rated working is 300 volts or more, see: cable assembly,power,electrical. Excludes items having branches or forks. Excludes: lead,test and cable and conduit assembly,electrical.

disk flow control device, 150.0 fahrenheit single response maximum operating temp, wasp class lhd end item identification, 0.250 inches all ends nominal pipe size accommodated, 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.

Nominal Pipe Size Accommodated: 0.250 inches all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 150.0 fahrenheit single response
End Item Identification: wasp class lhd
Connection Style: socket with brazing ring all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 3450.0 pounds per square inch single response
Opening Pressure Setting: 3300.0 pounds per square inch
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Material: nickel alloy body
Material Document And Classification: astm a494 assn std single material response body
Material Document And Classification: astm b164 assn std single material response flow control device
Material Document And Classification: astm b164 assn std single material response seat
Material Document And Classification: astm b164 assn std single material response stem
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
20391 ASSY 20391-01-3-3300	Safety Relief Valve
20391-01-E-3300	Safety Relief Valve
2039101E3300	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-442-2081?

The FSCG of the NSN 4820-01-442-2081 is 4820

Does the NSN 4820-01-442-2081 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-442-2081 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 4820-01-442-2081 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-442-2081 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 4820-01-442-2081 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Mar 7, 1997