4820-01-494-9660

Find complete technical information, availability, and procurement data for: 4820-01-494-9660
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-494-9660

Item Name Code

05488

Assigment Date

03/01/2002 (24 years ago)

An item so designed to have a portion or all of its body transparent to permit the visual examination of the amount of liquid in a pressure vessel, boiler, evaporator, still, processing tank, reservoir, pipe tubing line, and the like, and/or to determine the flow to a lubricated part. It may also be provided with an element that changes colors to indicate changes in moisture content. The item may have a means for refilling. Excludes:indicator, liquid quantity and indicator, rate of flow.

plain (pipe) 1st end connection style, plain,optional end(pipe) 2nd end connection style, disk flow control device, air valve operation method, right-hand all ends thread direction

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: disk
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: air
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Special Features: rl4 series has a manual override handle
Material: steel comp 316 body
Material: steel comp 316 flow control device
Material: steel comp 316 stem
Material Document And Classification: a182 assn std single material response body
Material Document And Classification: a479 assn std single material response flow control device
Material Document And Classification: a479 assn std single material response stem
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
1000113244	Safety Relief Valve
SS-RL4M8F8	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-494-9660?

The FSCG of the NSN 4820-01-494-9660 is 4820

Does the NSN 4820-01-494-9660 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-494-9660 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 4820-01-494-9660 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-494-9660 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 4820-01-494-9660 was assigned to the Federal Catalog?

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