4820-01-221-4258

Find complete technical information, availability, and procurement data for: 4820-01-221-4258
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-221-4258

Item Name Code

05485

Assigment Date

11/28/1985 (40 years ago)

200.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, union bonnet attachment method, inside screw bonnet type, disk flow control device

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: inside screw
Bonnet Attachment Method: union
Maximum Operating Temp: 200.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Nominal Thread Size: 0.750 inches all ends
Criticality Code Justification: zzzy
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy stem
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Thread Series Designator: npt all ends
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
570 3/4 IN	Globe Valve
I-53	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-221-4258?

The FSCG of the NSN 4820-01-221-4258 is 4820

Does NSN 4820-01-221-4258 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-01-221-4258 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-221-4258 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 4820-01-221-4258 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Nov 28, 1985