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		                        | National Stock Number:
 4820-01-159-9809
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 011599809
 
 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:
 
 | 22009293 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT |  | 22009293 | 72560 | GENERAL MOTORS CORP DELCO PRODUCTS DIV MACHINE CONTROL SYSTEMS |  | 22049534 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT |  | 4903696 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT |  | 4903696 | 7X677 | GENERAL MOTORS LLC |  | 22049534 | 7X677 | GENERAL MOTORS LLC | 
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 Techincal Specification:
 
 | DISK MATERIAL | PLASTIC POLYAMIDE |  | DISK SIZE | 9.14 MILLIMETERS |  | CROSS-SECTIONAL SHAPE | FLAT |  | PROPRIETARY CHARACTERISTICS | PACS |  | SPECIAL FEATURES | THICKNESS:1.5 MILLIMETERS | 
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