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4820-00-148-4864

Find complete technical information, availability, and procurement data for: 4820-00-148-4864

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4820-00-148-4864
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-148-4864
Item Name Code
05487
Assigment Date
10/08/1971 (54 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

disk flow control device, threaded renewable seat ring type, 500.0 fahrenheit 1st response maximum operating temp, 150.0 fahrenheit 2nd response maximum operating temp, 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
Renewable Seat Ring Type
threaded
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
150.0 fahrenheit 2nd response
Maximum Operating Temp
500.0 fahrenheit 1st response
Valve Operation Method
automatic
Flange Shape
round with holes all ends
Connection Type
flange all ends
Mounting Position
horizontal
Valve Size
2.500 inches
Maximum Operating Pressure
150.0 pounds per square inch 1st response
Maximum Operating Pressure
225.0 pounds per square inch 2nd response
Nominal Outside Diameter
7.000 inches all ends
Face To Face Distance
8.500 inches
Nominal Thickness
0.562 inches all ends
Bolt Hole Nominal Diameter
0.750 inches all ends
Bolt Circle Nominal Diameter
5.500 inches all ends
Flange Face Design
plain all ends
Special Features
hinge pin material nickel-copper alloy
Material
copper alloy 836 body
Material
copper alloy 836 flow control device
Material
nickel alloy seat
Media For Which Designed
steam 1st response
Media For Which Designed
water-oil-gas 2nd response
Style Designator
straight thru flanged ends

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
B-1620-0250NOREV/CID882039626 Check Valve
M18436-A3A3AF/015PW Check Valve
MIL-V-18436 Check Valve
MILV18436GRATY3 Check Valve
MILV18439 Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-148-4864?
The FSCG of the NSN 4820-00-148-4864 is 4820
Does the NSN 4820-00-148-4864 have a Schedule B code assigned?
Yes, the Schedule B code is 8481301090
Does NSN 4820-00-148-4864 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 4820-00-148-4864 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-148-4864 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 4820-00-148-4864 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Oct 8, 1971

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