D-VK-492-A86 IT 20

View detailed technical data, stock status, and sourcing information for: D-VK-492-A86 IT 20
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-437-4255

Item Name Code

05485

Assigment Date

10/11/1996 (29 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

union bonnet attachment method, inside screw bonnet type, disk flow control device, strategic sealift conversion ships class end item identification, 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
Bonnet Type: inside screw
Bonnet Attachment Method: union
End Item Identification: strategic sealift conversion ships class
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Features Provided: bonnet packing
Maximum Operating Pressure: 800.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Special Features: low pressure valve
Material: copper alloy 694 stem
Material: copper alloy 836 body
Material: copper alloy 836 flow control device
Material Document And Classification: astm b371, uns no. c69400 assn std single material response stem
Material Document And Classification: astm b62, uns no. c83600 assn std single material response body
Material Document And Classification: astm b62, uns no. c83600 assn std single material response flow control device
Media For Which Designed: oil, hydraulic single response
Style Designator: straight thru
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
3/4INB-22T	Globe Valve
D-VK-492-A86 IT 20	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-437-4255?

The FSCG of the NSN 4820-01-437-4255 is 4820

Does the NSN 4820-01-437-4255 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801070

Does NSN 4820-01-437-4255 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 4820-01-437-4255 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-437-4255 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 4820-01-437-4255 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Oct 11, 1996