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4820-00-405-4893

Find complete technical information, availability, and procurement data for: 4820-00-405-4893

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4820-00-405-4893
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-405-4893
Item Name Code
05487
Assigment Date
04/14/1971 (55 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

poppet flow control device, 0.750 inches 1st end nominal pipe size accommodated, spring disk loading method, 3b 1st end thread class, right-hand 1st end thread direction

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
Thread Class
3b 1st end
Thread Direction
right-hand 1st end
Flow Control Device
poppet
Disk Loading Method
spring
Connection Style
gasket seal (boss) 1st end
Valve Operation Method
automatic
Connection Type
threaded internal boss 1st end
Mounting Position
horizontal or vertical
Thread Quantity Per Inch
12 1st end
Nominal Thread Size
1.062 inches 1st end
Seat Angle
30.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated
0.750 inches 1st end
Material
steel corrosion resisting body
Material
steel corrosion resisting flow control device
Surface Treatment
passivate
Style Designator
straight thru
Thread Series Designator
unj 1st end

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
12-2667-4 Check Valve
2601757-1 Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-405-4893?
The FSCG of the NSN 4820-00-405-4893 is 4820
Does NSN 4820-00-405-4893 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 4820-00-405-4893 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-405-4893 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 4820-00-405-4893 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Apr 14, 1971

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