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4820-00-944-8740

Find complete technical information, availability, and procurement data for: 4820-00-944-8740

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4820-00-944-8740
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-944-8740
Item Name Code
05483
Assigment Date
03/04/1966 (60 years ago)

An open- or close-coiled spring wound in various forms and from different shapes and types of materials and finished at the ends, designed in such a way as to provide resistance to pulling forces. The close-coiled springs may incorporate the special feature of initial tension created between the coils when wound, requiring an initial load to be applied to separate them. Excludes:spring,reinforcing hose.

inside screw bonnet type, threaded bonnet attachment method, threaded renewable seat ring type, disk flow control device, 0.750 inches 1st end nominal pipe size accommodated

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
0.750 inches 1st end
Flow Control Device
disk
Bonnet Type
inside screw
Bonnet Attachment Method
threaded
Renewable Seat Ring Type
threaded
Maximum Operating Temp
150.0 fahrenheit single response
Connection Style
streamlined with two brazing rings 1st end
Valve Operation Method
manual
Connection Type
unthreaded internal pipe 1st end
Maximum Operating Pressure
700.0 pounds per square inch single response
Criticality Code Justification
zzzy
Material
copper alloy body
Material
nickel alloy seat
Material
nickel alloy stem
Media For Which Designed
water-oil-gas single response
Style Designator
angle
Furnished Items And Quantity
4 brazing ring
Reference Number Differentiating Characteristics
quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4820-00-813-1668 No Name Available 07/23/1974

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
2620-902ASSYD3-4IN Angle Valve
2620-902L1 Angle Valve
594-1 3-4 Angle Valve
594-1 3-4L1 Angle Valve
845-1889587ASSYD,3-4INL1 Angle Valve
SS845-1889587ASSYD3-4IN Angle Valve
SS845-1889587ASSYD3-4INL1 Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-944-8740?
The FSCG of the NSN 4820-00-944-8740 is 4820
Does the NSN 4820-00-944-8740 have a Schedule B code assigned?
Yes, the Schedule B code is 8481801095
Does NSN 4820-00-944-8740 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-00-944-8740 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-944-8740 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 4820-00-944-8740 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Fri, Mar 4, 1966

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