4820-01-280-3980

Find complete technical information, availability, and procurement data for: 4820-01-280-3980
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-280-3980

Item Name Code

27828

Assigment Date

06/09/1988 (38 years ago)

A switch which is externally actuated by a lever and whose contacts open and close with an instantaneous (snap) action; includes items having one or more momentary positions. Includes switches (snap action) which use mercury to bridge contacts, and assemblages of complete switches (snap action) having common actuators. Excludes:switch,lever; switch,rotary; switch,knife; switch,sensitive; and switch,box.

right-hand all ends thread direction, plain, optional end (pipe) all ends connection style, disk flow control device, 450.0 fahrenheit single response maximum operating temp, packing retaining bonnet type

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
Bonnet Type: packing retaining
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal
Maximum Operating Pressure: 150.0 pounds per square inch 1st response
Maximum Operating Pressure: 300.0 pounds per square inch 2nd response
Nominal Thread Size: 1.000 inches all ends
Material: copper alloy 836 body
Material: copper alloy 836 seat
Material: rubber flow control device
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru
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
117A1IN.	Lift-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-280-3980?

The FSCG of the NSN 4820-01-280-3980 is 4820

Does NSN 4820-01-280-3980 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 4820-01-280-3980 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-280-3980 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 4820-01-280-3980 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Jun 9, 1988