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		                             National Stock Number: 3655-00-570-7932
  Federal Supply Class: 3655
  National Item Identification Number: 005707932
  Description: DISK,RUPTURABLE
  Detail: A THIN, CIRCULAR, METALLIC OR NONMETALLIC ITEM WITH A FLAT OR PREBULGED CROSS-SECTIONAL SHAPE, DESIGNED TO RUPTURE AT A PREDETERMINED PRESSURE TO PREVENT DAMAGE TO HYDRAULIC OR PNEUMATIC SYSTEMS, OR THE LIKE. IT MAY INCLUDE MULTIPLE PIECES, SUCH AS A RETAINER RING, DISK AND VACUUM SUPPORT. IT CAN BE USED INDEPENDENTLY OR AS A COMPONENT PART OF A HEAD, SAFETY, PRESSURE RELIEF. FOR ITEMS FURNISHED WITH A HOLDER, SEE HEAD AND DISK, SAFETY, PRESSURE RELIEF. FOR ITEMS WITHOUT A RUPTURE PRESSURE RATING, SEE DISK, SOLID, PLAIN. EXCLUDES DIAPHRAGM, VALVE, FLAT; DIAPHRAGM, VALVE, SPECIAL SHAPED; DISK, VALVE; AND INSULATOR, DISK.
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  Manufacturer Information:
 | 64C21134-7 | 18062 | BE CU MANUFACTURING CO, INC |  | 64C21134-7 | 88535 | ESSEX INDUSTRIES, INC. |  | 64C21134-7 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER |   
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  Techincal Specification:
 | DISK SIZE | 1.228 INCHES |  | DISK MATERIAL | ALUMINUM |  | CROSS-SECTIONAL SHAPE | FLAT |  | BURST PRESSURE | 75.0 PRESSURE POUNDS PER SQUARE INCH GAGE |   
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