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		                             National Stock Number: 4820-00-931-2412
  Federal Supply Class: 4820
  National Item Identification Number: 009312412
  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:
 | 2166662 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |  | 2166662 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY  NOT MATERIAL/PARTS SUPPLIER |  | 588-10-300001007 | D0078 | DIEHL DEFENCE GMBH & CO. KG |  | 588.10-300001-007 | D0078 | DIEHL DEFENCE GMBH & CO. KG |   
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  Techincal Specification:
 | BURST PRESSURE | 3200.0 PRESSURE POUNDS PER SQUARE INCH GAGE |  | CROSS-SECTIONAL SHAPE | FLAT |  | DISK MATERIAL | SILVER |  | DISK SIZE | 0.310 INCHES |  | SPECIAL FEATURES | THICKNESS:0.005 IN.NOM |   
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