4820-01-539-7473

Find complete technical information, availability, and procurement data for: 4820-01-539-7473
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-539-7473

Item Name Code

20962

Assigment Date

05/01/2006 (20 years ago)

A component which converts available alternating current or direct current electrical power into a form required to operate another component or set. The item may consist of a combination of an invertor,vibrator; vibrator,interrupter; vibrator,self-rectifying; invertor,power,static with a transformer and rectifies employing electron tubes, semiconductor diode or metallic (dry disc) type components, or the synchronized secondary contacts of a vibrator,self-rectifying or may consist of electron tubes, semiconductor diode or metallic (dry disc) type rectifiers and capacitors in transformerless (alternating current-direct current type) circuits which may be of the voltage-multiplier type. The item may incorporate a filter,direct current power and provisions for regulation of input and/or output voltage. The item may have special input, output, control or other facilities for applications in specialized environments such as medical, dental or other operations. Excludes battery chargers and rotating machinery types of items, such as motor generators and enerators and dynamotors.

pressed-in renewable seat ring type, packing retaining bonnet type, 0.0 fahrenheit minimum operating temp, 0.250 inches all ends nominal pipe size accommodated, 180.0 fahrenheit single response maximum operating temp

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: 0.250 inches all ends
Bonnet Type: packing retaining
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 180.0 fahrenheit single response
Minimum Operating Temp: 0.0 fahrenheit
End Item Identification: new construction ssn 779 afs/virginia class submarine
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Part Name Assigned By Controlling Agency: ball valve, staight, hydraulic, 3000psi
Special Features: the suffix p to the assembly number represents that the ball is coated with poly-ond or magnaplate; plating to be .0012 inch thick for all surfaces with a hardness of rockwell rc58-60; overall dimensions of the ball apply after plating; o-rings of zytel 45 hsb or nylatron, see mdcl; device a-b is a handle locked in the open position. suffix p represents design changes for plating of the ball and material of the o-rings and locking handle a-b are for new construction 779 afs
Material: nickel alloy stem
Material: plastic polyhexamethylene adipamide seat
Material: rubber butadiene-acrylonitrile class nbr packing
Material: steel comp 304 flow control device
Material: steel corrosion resisting body
Material Document And Classification: mil-b-24059 mil spec single material response stem
Material Document And Classification: mil-p-5516 cl b mil spec single material response packing
Material Document And Classification: qq-s-763 cl 304 cond a fed spec single material response flow control device
Material Document And Classification: str cres mfr ref single material response body
Material Document And Classification: zytel 45 hsb as manufactured by dupont of wilmington, de. mfr ref single material response or nylatron gsvq as manufactured by quadrant engineering of reading, pa. mfr ref single material response seat
Media For Which Designed: oil, hydraulic single response
Style Designator: straight thru
Furnished Items And Quantity: 1 handle and 1 locking device