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4820-01-261-4123

Find complete technical information, availability, and procurement data for: 4820-01-261-4123

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4820-01-261-4123
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-261-4123
Item Name Code
05487
Assigment Date
08/12/1987 (38 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.

automatic valve operation method, disk flow control device, 500.0 fahrenheit single response maximum operating temp, 4 all ends bolt hole quantity, threaded or welded renewable seat ring 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
Renewable Seat Ring Type
threaded or welded
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
Mounting Facility
bracket
Mounting Position
horizontal or vertical
Valve Size
3.000 inches
Maximum Operating Pressure
150.0 pounds per square inch single response
Nominal Outside Diameter
7.500 inches all ends
Face To Face Distance
9.500 inches
Nominal Thickness
0.938 inches all ends
Bolt Hole Nominal Diameter
0.750 inches all ends
Bolt Circle Nominal Diameter
6.000 inches all ends
Flange Face Design
raised straight all ends
Raised Face Nominal Height
0.062 inches all ends
Raised Face Nominal Diameter
5.000 inches all ends
Special Features
swing type
Material
copper alloy flow control device
Material
copper alloy seat
Material
copper alloy stem
Material
steel body
Media For Which Designed
water-oil-gas single 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
151F-4-3 IN. Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-261-4123?
The FSCG of the NSN 4820-01-261-4123 is 4820
Does the NSN 4820-01-261-4123 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-01-261-4123 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 4820-01-261-4123 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-261-4123 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 4820-01-261-4123 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Wed, Aug 12, 1987

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