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		                             National Stock Number: 4820-01-022-9283
  Federal Supply Class: 4820
  National Item Identification Number: 010229283
  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:
 | 201686 | 0KDP7 | KIDDE-FENWAL, LLC |  | 201686 | 96487 | VALCOR ENGINEERING CORPORATION |   
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  Techincal Specification:
 | CRITICALITY CODE JUSTIFICATION | ZZZY |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |   
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