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4820-00-999-8331

Find complete technical information, availability, and procurement data for: 4820-00-999-8331

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4820-00-999-8331
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-999-8331
Item Name Code
05488
Assigment Date
03/25/1966 (60 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self-supporting. The item must have inherent characteristics of inducing self-inductance. Opposition to current flow is an inherent property of the resistance wire and is manifested by the heat dissipation in the resistor. Exclut s suppressor, ignition interference. See also resistor (1), fixed, wire wound, noninductive.

right-hand 1st end thread direction, right-hand 2nd end thread direction, poppet flow control device, 3a 1st end thread class, 3b 2nd end thread class

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 1st end
Thread Class
3b 2nd end
Thread Direction
right-hand 1st end
Thread Direction
right-hand 2nd end
Flow Control Device
poppet
Bonnet Type
packing retaining
Disk Loading Method
spring
Maximum Operating Temp
250.0 fahrenheit single response
Connection Style
gasket seal(boss) 2nd end
Valve Operation Method
automatic
Connection Type
threaded external tube 1st end
Connection Type
threaded internal boss 2nd end
Features Provided
pressure tight outlet side
Maximum Operating Pressure
200.0 pounds per square inch single response
Nominal Thread Size
0.562 inches 1st end
Nominal Thread Size
0.562 inches 2nd end
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
80.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated
0.375 inches 1st end
Nominal Outside Diameter Tube Accommodated
0.562 inches 2nd end
Material
aluminum alloy seat
Material
aluminum alloy body
Media For Which Designed
acetylene single response
Style Designator
straight thru
Thread Series Designator
unf 1st end
Thread Series Designator
unjf 2nd end

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Part Number Name
559A6TB80 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-999-8331?
The FSCG of the NSN 4820-00-999-8331 is 4820
Does the NSN 4820-00-999-8331 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-999-8331 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 4820-00-999-8331 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-999-8331 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 4820-00-999-8331 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Fri, Mar 25, 1966

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