MILV22549.50IPS

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-315-3226

Item Name Code

05488

Assigment Date

02/14/1990 (36 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends, on which the nominal diameter of one threaded section is greater than the other. All or part of the unthreaded section is greater than the maximum major diameter of the largest threaded section. It may be thread relieved. Excludes:items with tapered threads. See also stud, locked in.

165.0 fahrenheit single response maximum operating temp, spring disk loading method, disk flow control device, 0.750 inches 1st end nominal pipe size accommodated, 0.500 inches 2nd end nominal pipe size accommodated

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 0.500 inches 2nd end
Nominal Pipe Size Accommodated: 0.750 inches 1st end
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 165.0 fahrenheit single response
End Item Identification: forrestal class cv
Connection Style: socket with brazing ring all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +119.0 to 143.0 pounds per square inch
Maximum Operating Pressure: 440.0 pounds per square inch single response
Material: copper alloy 360 flow control device
Material: copper alloy 922 body
Material: steel comp 304 seat
Material: steel comp 304 stem
Style Designator: angle
Specification/Standard Data: 81349-mil-v-22549 government specification
Nondefinitive Spec/Std Data: 1/2 size

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
20234-7-941SS	Safety Relief Valve
20234B01C0119	Safety Relief Valve
D44UU-05 1/2X3/4 IN.	Safety Relief Valve
D44UU-05H-1/2-3/4	Safety Relief Valve
MILV22549.50IPS	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-315-3226?

The FSCG of the NSN 4820-01-315-3226 is 4820

Does the NSN 4820-01-315-3226 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-315-3226 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-315-3226 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-315-3226 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 4820-01-315-3226 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Wed, Feb 14, 1990