4820-01-172-6253

Find complete technical information, availability, and procurement data for: 4820-01-172-6253
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-172-6253

Item Name Code

05488

Assigment Date

02/23/1984 (42 years ago)

bolted bonnet attachment method, automatic valve operation method, stem flow control device, inside spring bonnet type, 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.

Flow Control Device: stem
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Valve Operation Method: automatic
Criticality Code Justification: zzzy
Material: copper alloy 922 overall
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
2019500C51M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-172-6253?

The FSCG of the NSN 4820-01-172-6253 is 4820

Does the NSN 4820-01-172-6253 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-172-6253 require demilitarization?

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

Does NSN 4820-01-172-6253 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-172-6253 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 4820-01-172-6253 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Feb 23, 1984