CG81189 2 1/2IN

View detailed technical data, stock status, and sourcing information for: CG81189 2 1/2IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-146-9956

Item Name Code

05485

Assigment Date

02/09/1983 (43 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

bolted bonnet attachment method, disk flow control device, outside screw-yoke bonnet type, beveled (pipe) all ends connection style, 2.500 inches all ends nominal pipe size accommodated

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: 2.500 inches all ends
Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Connection Style: beveled (pipe) all ends
Valve Operation Method: manual
Connection Type: butt weld pipe all ends
Features Provided: bonnet packing
Maximum Operating Pressure: 150.0 pounds per square inch single response
Material: steel uns j91150 flow control device
Material: steel uns j91150 seat
Material: steel uns j91150 stem
Material: steel uns j92800 body
Material Document And Classification: astm a217 grade ca15 assn std single material response flow control device
Material Document And Classification: astm a217 grade ca15 assn std single material response seat
Material Document And Classification: astm a217 grade ca15 assn std single material response stem
Material Document And Classification: astm a351 grade cf3m assn std single material response body
Style Designator: straight thru

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
CG81189 2 1/2IN	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-146-9956?

The FSCG of the NSN 4820-01-146-9956 is 4820

Does the NSN 4820-01-146-9956 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-146-9956 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 4820-01-146-9956 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-146-9956 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 4820-01-146-9956 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Feb 9, 1983