655A132-001

View detailed technical data, stock status, and sourcing information for: 655A132-001
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-232-8027

Item Name Code

05488

Assigment Date

05/21/1986 (40 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.

automatic valve operation method, bolted bonnet attachment method, 4 all ends bolt hole quantity, exposed spring bonnet type, 650.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Bonnet Type: exposed spring
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 650.0 fahrenheit single response
Valve Operation Method: automatic
Connection Type: flange all ends
Valve Size: 0.500 inches
Opening Pressure Setting: 64.0 pounds per square inch
Nominal Outside Diameter: 3.500 inches all ends
Nominal Thickness: 0.438 inches all ends
Bolt Hole Nominal Diameter: 0.625 inches all ends
Bolt Circle Nominal Diameter: 2.375 inches all ends
Material: steel body

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
655A 132-001	Safety Relief Valve
655A132	Safety Relief Valve
655A132 PIECE 1	Safety Relief Valve
655A132-001	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-232-8027?

The FSCG of the NSN 4820-01-232-8027 is 4820

Does the NSN 4820-01-232-8027 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-232-8027 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 4820-01-232-8027 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-232-8027 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 4820-01-232-8027 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, May 21, 1986