FIG490-4INCH

View detailed technical data, stock status, and sourcing information for: FIG490-4INCH
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-287-3954

Item Name Code

05482

Assigment Date

01/01/1963 (63 years ago)

threaded internal pipe connection type, inside screw bonnet type, manual valve operation method, 4.000 inches nominal pipe size accommodated, u-bolt bonnet attachment 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: 4.000 inches
Bonnet Type: inside screw
Bonnet Attachment Method: u-bolt
Valve Operation Method: manual
Connection Type: threaded internal pipe
Features Provided: bonnet packing
Valve Size: 4.000 inches
Maximum Operating Pressure And Media For Which Designed: 200.0 pounds per square inch steam and 200.0 pounds per square inch water-oil-gas
Nominal Thread Size: 4.000 inches
Stem Type: rising
Maximum Operating Temp And Media For Which Designed: 450.0 fahrenheit steam and 450.0 fahrenheit water-oil-gas
Inlet Relationship With Outlet: identical
Pressure Class: 125.0 pounds per square inch
Thread Series Designator: npt

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-684-4192	No Name Available	03/01/1978

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
FIG490-4INCH	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-00-287-3954?

The FSCG of the NSN 4820-00-287-3954 is 4820

Does NSN 4820-00-287-3954 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 4820-00-287-3954 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-287-3954 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 4820-00-287-3954 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963