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4820-00-142-1541

Find complete technical information, availability, and procurement data for: 4820-00-142-1541

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4820-00-142-1541
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-142-1541
Item Name Code
05488
Assigment Date
01/01/1963 (63 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.

threaded bonnet attachment method, disk flow control device, inside spring bonnet type, spring disk loading method, 4 all ends 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
Bonnet Type
inside spring
Bonnet Attachment Method
threaded
Disk Loading Method
spring
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
500.0 fahrenheit single response
Valve Operation Method
automatic
Flange Shape
round with holes all ends
Connection Type
flange all ends
Features Provided
bonnet packing and pressure tight outlet side
Adjustable Pressure Range
+121.0 to 160.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Nominal Outside Diameter
6.000 inches all ends
Nominal Thickness
0.500 inches all ends
Bolt Hole Nominal Diameter
0.750 inches all ends
Bolt Circle Nominal Diameter
4.750 inches all ends
Flange Face Design
raised straight all ends
Raised Face Nominal Height
0.062 inches all ends
Raised Face Nominal Diameter
3.625 inches all ends
Special Features
2 in. valve size
Material
steel body
Material
steel corrosion resisting flow control device
Material
steel corrosion resisting seat
Material
steel corrosion resisting stem
Media For Which Designed
steam single response
Style Designator
angle
Nondefinitive Spec/Std Data
1 type and d composition

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
18038L00DP125 Safety Relief Valve
18038L00DP125FB Safety Relief Valve
20050N0REV20050 Safety Relief Valve
20050NOREV20050Q51SS883117149 Safety Relief Valve
A1PC33 Safety Relief Valve
BDE1S5101-5ALT2PC33 Safety Relief Valve
C371APC33 Safety Relief Valve
YSR17S5100-703108PC33 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-142-1541?
The FSCG of the NSN 4820-00-142-1541 is 4820
Does the NSN 4820-00-142-1541 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-142-1541 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 4820-00-142-1541 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-142-1541 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 4820-00-142-1541 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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