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National Stock Number:
4820-01-256-0855
Federal Supply Class:
4820
National Item Identification Number:
012560855
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:
| D3020 | 06370 | FIKE CORPORATION | | MRK-4"-450PSIG/72DEGF-316SST | 06370 | FIKE CORPORATION | | MRK-4"-450PSIG/72DEGF-316SST | 06370 | FIKE CORPORATION | | MRK-4'-450PSIG/72DEGF-316SST | 06370 | FIKE CORPORATION |
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Techincal Specification:
| BURST PRESSURE | 450.0 PRESSURE POUNDS PER SQUARE INCH GAGE | | CRITICALITY CODE JUSTIFICATION | ZZZY | | PROPRIETARY CHARACTERISTICS | PACS | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | DISK MATERIAL | STEEL CORROSION RESISTING |
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