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		                        | National Stock Number:
 4820-00-555-8795
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 005558795
 
 Description:
 DISK,VALVE
 
 Detail:
 An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.
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 Manufacturer Information:
 
 | 21135 | 01170 | BELLOFRAM CORPORATION |  | 21135 | 38508 | DESCO CORP MARSH BELLOFRAM DIV |  | DSC38-1 | 92578 | JOHNSON CONTROLS INC CONTROL PRODUCTS DIV | 
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 Techincal Specification:
 
 | INSIDE DIAMETER | 2.000 INCHES NOMINAL |  | MATERIAL | RUBBER |  | MEDIA FOR WHICH DESIGNED | GAS OR WATER, HOT |  | OUTSIDE DIAMETER | 3.188 INCHES NOMINAL |  | OVERALL HEIGHT | 0.469 INCHES NOMINAL |  | PRESSURE RATING | 50.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 59.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM |  | STYLE DESIGNATOR | PLAIN |  | TEMP RATING | 200.0 FAHRENHEIT NOMINAL | 
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