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4820-00-740-7437

Find complete technical information, availability, and procurement data for: 4820-00-740-7437

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4820-00-740-7437
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-740-7437
Item Name Code
05487
Assigment Date
01/01/1961 (65 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.

right-hand all ends thread direction, poppet flow control device, 100.0 fahrenheit single response maximum operating temp, 3a all ends thread class, 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.

Thread Class
3a all ends
Thread Direction
right-hand all ends
Flow Control Device
poppet
Disk Loading Method
spring
Maximum Operating Temp
100.0 fahrenheit single response
Connection Style
external seat for gasket seal (boss) all ends
Valve Operation Method
automatic
Connection Type
threaded external boss all ends
Mounting Position
horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Nominal Thread Size
1.125 inches all ends
Special Features
5.0 psi valve cracking pressure
Material
steel comp 303 body
Material
steel comp 303 seat
Material
steel comp 416 flow control device
Material Document And Classification
fed std 66,aisi 303/sae 30303 fed std single material response body
Material Document And Classification
fed std 66,aisi 303/sae 30303 fed std single material response seat
Material Document And Classification
fed std 66,aisi 416/sae 51416 fed std single material response flow control device
Media For Which Designed
hydraulic fluid, silicate-ester base single response
Surface Treatment
passivate
Style Designator
straight thru
Test Data Document
"81349-mil-s-901 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator
unf all ends

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150204PC1T06 Check Valve
C02CDP-4E Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-740-7437?
The FSCG of the NSN 4820-00-740-7437 is 4820
Does the NSN 4820-00-740-7437 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-00-740-7437 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 4820-00-740-7437 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-740-7437 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 4820-00-740-7437 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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