803-1385623-031

View detailed technical data, stock status, and sourcing information for: 803-1385623-031
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-191-4053

Item Name Code

16992

Assigment Date

10/07/1984 (41 years ago)

4 all ends bolt hole quantity, bolted bonnet attachment method, outside screw-yoke bonnet type, disk flow control device, manual valve operation method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 4 all ends
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 3.000 inches
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Outside Diameter: 6.625 inches all ends
Face To Face Distance: 10.000 inches
Nominal Thickness: 0.938 inches all ends
Bolt Hole Nominal Diameter: 0.688 inches all ends
Bolt Circle Nominal Diameter: 5.500 inches all ends
Flange Face Design: plain all ends
Special Features: without retainer
Material: copper alloy body
Material: nickel alloy seat
Material: nickel alloy stem
Material: plastic polyamide (nylon) flow control device
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru y-pattern flanged 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
803-1385623-031	Y Valve

FAQs

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

What is the FSCG of the NSN 4820-01-191-4053?

The FSCG of the NSN 4820-01-191-4053 is 4820

Does the NSN 4820-01-191-4053 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-191-4053 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 4820-01-191-4053 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-191-4053 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 4820-01-191-4053 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sun, Oct 7, 1984