39344M0D9

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39344M0D9
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-163-5171
Item Name Code
05488
Assigment Date
11/13/1971 (54 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.

18570.0 pounds per hour valve discharge flow rate, disk flow control device, bolted bonnet attachment method, spring disk loading method, exposed spring bonnet type

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
Bonnet Type
exposed spring
Bonnet Attachment Method
bolted
Disk Loading Method
spring
Valve Discharge Flow Rate
18570.0 pounds per hour
Renewable Seat Ring Type
threaded
Bolt Hole Quantity
4 1st end
Bolt Hole Quantity
8 2nd end
Flange Shape
round with holes 1st end
Flange Shape
round with holes 2nd end
Features Provided
pressure tight outlet side
Valve Size
1.500 inches
Opening Pressure Setting
1325.0 pounds per square inch
Nominal Outside Diameter
7.000 inches 1st end
Nominal Outside Diameter
7.500 inches 2nd end
Bolt Hole Nominal Diameter
0.875 inches 2nd end
Bolt Hole Nominal Diameter
1.125 inches 1st end
Bolt Circle Nominal Diameter
4.875 inches 1st end
Bolt Circle Nominal Diameter
5.875 inches 2nd end
Flange Face Design
raised straight 2nd end
Flange Face Design
recessed straight 1st end
Raised Face Nominal Height
0.062 inches 2nd end
Raised Face Nominal Diameter
4.125 inches 2nd end
Recess Nominal Diameter
6.125 inches 1st end
Recess Nominal Depth
0.062 inches 1st end
Style Designator
angle flanged ends
Reference Number Differentiating Characteristics
as differentiated by the valve discharge flow rate requirement and as modified by crosby valve and gage co drawing h48241

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
39344M0D9 Safety Relief Valve
A39344ASSY MOD9 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-163-5171?
The FSCG of the NSN 4820-00-163-5171 is 4820
Does the NSN 4820-00-163-5171 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-163-5171 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 4820-00-163-5171 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-163-5171 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 4820-00-163-5171 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sat, Nov 13, 1971

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