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4820-00-491-7958

Find complete technical information, availability, and procurement data for: 4820-00-491-7958

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4820-00-491-7958
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-491-7958
Item Name Code
05486
Assigment Date
03/23/1972 (54 years ago)

A thermocouple whose thermojunction is specifically designed to be placed or dipped within a fluid.

weight disk loading method, bolted bonnet attachment method, 0.500 inches 1st end nominal pipe size accommodated, disk flow control device, outside screw-yoke bonnet type

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 1st end
Flow Control Device
disk
Bonnet Type
outside screw-yoke
Bonnet Attachment Method
bolted
Disk Loading Method
weight
Maximum Operating Temp
775.0 fahrenheit single response
Connection Style
socket (pipe) 1st end
Valve Operation Method
manual
Connection Type
unthreaded internal pipe 1st end
Mounting Position
horizontal
Features Provided
bonnet packing
Criticality Code Justification
zzzy
Material
steel body
Style Designator
straight thru
Test Data Document
80064-810-2177525 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Reference Number Differentiating Characteristics
material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4820-01-523-6599 No Name Available 10/01/2005

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
803-2177525-C331AF Stop-Check Valve
803-2177525-C331AFL1 Stop-Check Valve
803-2177525-C3C1AF Stop-Check Valve
803-2177525-C3C1AFL1 Stop-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-491-7958?
The FSCG of the NSN 4820-00-491-7958 is 4820
Does the NSN 4820-00-491-7958 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-00-491-7958 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-00-491-7958 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-491-7958 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 4820-00-491-7958 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Thu, Mar 23, 1972

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