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National Stock Number:
4820-01-325-9700
Federal Supply Class:
4820
National Item Identification Number:
013259700
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:
| 5816525 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5816525 | 67289 | PRESSURE SPECIALTIES INCORPORATED |
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Techincal Specification:
| BURST PRESSURE | 5200.0 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE | | CROSS-SECTIONAL SHAPE | CONCAVE | | DISK MATERIAL | NICKEL ALLOY | | DISK SIZE | 1.250 INCHES | | SPECIAL FEATURES | BURST DISC ASSEMBLY,SAFETY-CO2 CONTAINER;THICKNESS:0.630 IN.MIN,0.645 IN.MAX |
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