4820-01-494-9781

Find complete technical information, availability, and procurement data for: 4820-01-494-9781
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-494-9781

Item Name Code

05488

Assigment Date

03/01/2002 (24 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

right-hand all ends thread direction, 0.250 inches all ends nominal pipe size accommodated, integral bonnet attachment method, disk flow control device, 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.

Nominal Pipe Size Accommodated: 0.250 inches all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: integral
End Item Identification: w/s:consolidated groud support equipment.
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 200.0 pounds per square inch
Material: copper alloy body
Material: copper alloy seat
Style Designator: angle
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
128A-1/4-200#	Safety Relief Valve
128A-2-200	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-494-9781?

The FSCG of the NSN 4820-01-494-9781 is 4820

Does the NSN 4820-01-494-9781 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-494-9781 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 4820-01-494-9781 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-494-9781 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 4820-01-494-9781 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Fri, Mar 1, 2002