842-134-070-601

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842-134-070-601
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-131-5908
Item Name Code
05487
Assigment Date
05/13/1982 (44 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.

160.0 fahrenheit single response maximum operating temp, disk flow control device, automatic valve operation method, 4 1st end bolt hole quantity, 4 2nd end bolt hole quantity

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
4 1st end
Bolt Hole Quantity
4 2nd end
Maximum Operating Temp
160.0 fahrenheit single response
Valve Operation Method
automatic
Flange Shape
round with holes 1st end
Flange Shape
round with holes 2nd end
Connection Type
flange all ends
Mounting Position
horizontal
Valve Size
1.500 inches
Nominal Outside Diameter
5.063 inches 1st end
Nominal Outside Diameter
5.063 inches 2nd end
Face To Face Distance
7.000 inches
Nominal Thickness
0.813 inches 1st end
Nominal Thickness
0.813 inches 2nd end
Bolt Hole Nominal Diameter
0.563 inches 1st end
Bolt Hole Nominal Diameter
0.563 inches 2nd end
Bolt Circle Nominal Diameter
3.938 inches 1st end
Bolt Circle Nominal Diameter
3.938 inches 2nd end
Flange Face Design
plain 2nd end
Flange Face Design
recessed with gasket groove 1st end
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Below is a list of NSNs that have been officially superseded by this NSN: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
4820-01-131-5907 No Name Available 07/01/1988
4820-01-139-3317 No Name Available 09/01/1988

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FAQs

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

What is the FSCG of the NSN 4820-01-131-5908?
The FSCG of the NSN 4820-01-131-5908 is 4820
Does NSN 4820-01-131-5908 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 4820-01-131-5908 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-131-5908 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 4820-01-131-5908 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Thu, May 13, 1982

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