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National Stock Number: 4820-00-570-7932
Federal Supply Class: 4820
National Item Identification Number: 005707932
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:
64C21134-7 | 18062 | BE CU MANUFACTURING CO, INC | 64C21134-7 | 88535 | ESSEX INDUSTRIES, INC. | 64C21134-7 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER |
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Techincal Specification:
BURST PRESSURE | 75.0 PRESSURE POUNDS PER SQUARE INCH GAGE | CROSS-SECTIONAL SHAPE | FLAT | DISK MATERIAL | ALUMINUM | DISK SIZE | 1.228 INCHES |
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