178131-5071 2 1-2IN

View detailed technical data, stock status, and sourcing information for: 178131-5071 2 1-2IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-225-8919

Item Name Code

05487

Assigment Date

02/08/1986 (40 years ago)

round all ends flange shape, flange all ends connection type, disk flow control device, automatic valve operation method, weight disk loading 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
Disk Loading Method: weight
Valve Operation Method: automatic
Flange Shape: round all ends
Connection Type: flange all ends
Mounting Position: horizontal
Valve Size: 2.500 inches
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 7.000 inches all ends
Face To Face Distance: 9.500 inches
Nominal Thickness: 0.562 inches all ends
Flange Face Design: plain all ends
Special Features: manuel adjusting control
Material: copper alloy body
Style Designator: straight thru flanged ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-197-3861	No Name Available	10/01/1991

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
178131 ASSY 5071	Check Valve
178131-5071 2 1-2IN	Check Valve
5071 2-1/2IN	Check Valve
5071 2.50IN.45D	Check Valve
5071-012-212	Check Valve
5071-2	Check Valve
5071-2-1/2IN.	Check Valve
5071-2.50IN	Check Valve
5071C00250	Check Valve
54-111F 2 1-2IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-225-8919?

The FSCG of the NSN 4820-01-225-8919 is 4820

Does the NSN 4820-01-225-8919 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-225-8919 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 4820-01-225-8919 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-225-8919 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 4820-01-225-8919 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Feb 8, 1986