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National Stock Number:
4820-01-289-5615
Federal Supply Class:
4820
National Item Identification Number:
012895615
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:
| 1 IN. TYPE B DISC ASSY UA-2 | 32874 | BS&B SAFETY SYSTEMS LLC | | C10045 | 67053 | HYDRA RIG CRYOGENICS INC |
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Techincal Specification:
| BURST PRESSURE | 72.0 PRESSURE POUNDS PER SQUARE INCH GAGE | | CROSS-SECTIONAL SHAPE | CONCAVE | | SPECIAL FEATURES | MATERIALS: THE UNION TYPE SAFETY HEAD IS TO BE OF 300 SERIES STAINLESS STEEL; THE DISC IS TO BE OF ALUMINUM WITH A POLYTETRAFLUOROETHYLENE COATING ON THE ATMOSPHERIC SIDE |
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