1281-002-3IN

View detailed technical data, stock status, and sourcing information for: 1281-002-3IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-420-1163

Item Name Code

05487

Assigment Date

10/06/1995 (30 years ago)

A rigid tubular item designed to direct the exhaust gases away from an engine, heater, or the like. For flexible items, see hose, metallic.

automatic valve operation method, strategic sealift conversion ships class end item identification, 8 all ends bolt hole quantity, disk flow control device, round with holes all ends flange shape

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
Bolt Hole Quantity: 8 all ends
End Item Identification: strategic sealift conversion ships class
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal
Valve Size: 3.000 inches
Maximum Operating Pressure: 100.0 pounds per square inch single response
Nominal Outside Diameter: 6.625 inches all ends
Face To Face Distance: 9.000 inches
Nominal Thickness: 0.625 inches all ends
Bolt Hole Nominal Diameter: 0.187 inches all ends
Bolt Circle Nominal Diameter: 5.500 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Style Designator: straight thru 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
1281-002-3IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-420-1163?

The FSCG of the NSN 4820-01-420-1163 is 4820

Does the NSN 4820-01-420-1163 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301010

Does NSN 4820-01-420-1163 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 4820-01-420-1163 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-420-1163 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 4820-01-420-1163 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Oct 6, 1995