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4820-00-283-6956

Find complete technical information, availability, and procurement data for: 4820-00-283-6956

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4820-00-283-6956
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-283-6956
Item Name Code
20520
Assigment Date
08/31/1973 (52 years ago)

An item of various cross-sectional shapes which may be of solid or hollow construction. It is specifically designed for attachment to a lever(s) and/or control(s) to actuate various remote mechanisms. It is one of the following: (1) a one-piece item with or without eyes and/or holes in each end which may have bushings or bearings pressed in the eyes; (2) a one-piece item with both ends processed for terminations, excluding threaded end(s); (3) a two-piece construction type item consisting of a body with both ends processed for terminations and a single end attachment; or (4) a three-piece construction type item consisting of a body and two end attachments. Excludes:internal combustion engine type piston connecting rods; drag link, steering; link, anchor, brake shoe; tie rod, steering; and turnbuckle. For cylindrical shaped externally threaded items without end attachments, see rod, threaded end and stud (as modified).

spring disk loading method, poppet flow control device, 3a all ends thread class, -65.0 fahrenheit 1st response maximum operating temp, right-hand all ends thread direction

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
-65.0 fahrenheit 1st response
Maximum Operating Temp
250.0 fahrenheit 2nd response
Connection Style
flareless all ends
Valve Operation Method
automatic
Connection Type
threaded external tube all ends
Mounting Position
horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Nominal Thread Size
0.438 inches 2nd end
Nominal Thread Size
0.562 inches 1st end
Seat Angle
12.0 degrees all ends
Material
steel comp 630 overall
Media For Which Designed
fuel/oil, hydrocarbon 2nd response
Media For Which Designed
fuel/oil, hydrocarbon 3rd response
Media For Which Designed
hydraulic fluid, phosphate-ester base 1st response
Surface Treatment
passivate
Style Designator
straight thru
Thread Series Designator
unjf all ends

Related Parts

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749959-127 Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-283-6956?
The FSCG of the NSN 4820-00-283-6956 is 4820
Does the NSN 4820-00-283-6956 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-00-283-6956 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 4820-00-283-6956 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-283-6956 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 4820-00-283-6956 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Aug 31, 1973

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