0020-H-01-0C-00

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-4110

Item Name Code

05488

Assigment Date

01/13/1997 (29 years ago)

A switch that is externally actuated by a device such as a push rod or button, which requires pushing for each actuation. The action may be momentary, with mechanical return. It consists of a body,switch and a push button. The item may include provisions for mounting indicating lamps or light emitting diodes in the actuator. Includes items consisting of individually separable switches that are physically interlocked, that have a common actuator, or are electrically connected. Excludes: light-switch; light-switch assembly; switch,beam selecting,headlight; switch,foot; switch,interlock; switch,pressure; switch,push-pull; switch,sensitive and switch assembly. For devices which start, stop, reverse, select and/or regulate the speed of a motor, see starter,motor and controller,motor.

mars class afs end item identification, 300.0 fahrenheit single response maximum operating temp, disk flow control device, right-hand all ends thread direction, spring disk loading method

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 300.0 fahrenheit single response
End Item Identification: mars class afs
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 2.000 inches all ends
Opening Pressure Setting: 60.0 pounds per square inch
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy stem
Media For Which Designed: liquid single response
Style Designator: angle
Thread Series Designator: npt all 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
0020-H-01-0C-00	Safety Relief Valve
0020-H-01-MC-0060	Safety Relief Valve
0020-H-01-OC-0060	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-440-4110?

The FSCG of the NSN 4820-01-440-4110 is 4820

Does the NSN 4820-01-440-4110 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-440-4110 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 4820-01-440-4110 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-4110 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 4820-01-440-4110 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Jan 13, 1997