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National Stock Number:
4820-01-213-8124
Federal Supply Class:
4820
National Item Identification Number:
012138124
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:
| 64550 | 03670 | TYCO FIRE PRODUCTS LP | | P5970BM-10 | 58553 | SUPERIOR VALVE CO | | P5970BM-16 | 58553 | SUPERIOR VALVE CO | | PL64550N | 03670 | TYCO FIRE PRODUCTS LP | | PL64550N ITEM 3 | 03670 | TYCO FIRE PRODUCTS LP |
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Techincal Specification:
| DISK MATERIAL | COPPER ALLOY | | DISK SIZE | 0.547 INCHES | | BURST PRESSURE | 2650.0 PRESSURE POUNDS PER SQUARE INCH GAGE AND 3000.0 PRESSURE POUNDS PER SQUARE INCH GAGE | | CROSS-SECTIONAL SHAPE | FLAT | | PROPRIETARY CHARACTERISTICS | PACS |
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