4820-01-442-7779

Find complete technical information, availability, and procurement data for: 4820-01-442-7779
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-442-7779

Item Name Code

05488

Assigment Date

03/24/1997 (29 years ago)

A grouping of two or more physically connected or related electrical an/or electronic parts capable of dissassemblage. Each component of the assemblage must be capable of functioning in accordance with its own item name. Consists of a single printed circuit board or terminal board upon which are mounted separately manufactured electronic components such as capacitors, inductors, resistors, and the like. It may also include printed electronic components. The item is generally part of a subassembly and cannot be assigned a more definite item name. For items having a complete individual electrical/electronic function, use applicable item name such as amplifier (as modified); power supply; or the like. For items not having a complete individual electrical/electronic function, see applicable subassembly name, such as amplifier subassembly; power supply subassembly; or the like. For an assembly of electrical/electronic components mounted on other than a single printed wiring board, see electronic components assembly. Excludes:printed circuit board

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

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: 3150.0 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
20391-01-E-3150	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-442-7779?

The FSCG of the NSN 4820-01-442-7779 is 4820

Does the NSN 4820-01-442-7779 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-442-7779 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 4820-01-442-7779 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-442-7779 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 4820-01-442-7779 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Mar 24, 1997