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National Stock Number:
4820-00-969-4698
Federal Supply Class:
4820
National Item Identification Number:
009694698
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:
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Techincal Specification:
| BURST PRESSURE | 34.5 PRESSURE POUNDS PER SQUARE INCH GAGE AND 39.0 PRESSURE POUNDS PER SQUARE INCH GAGE | | CROSS-SECTIONAL SHAPE | FLAT | | DISK MATERIAL | SILVER | | DISK SIZE | 0.750 INCHES | | SPECIAL FEATURES | PRECIOUS MATERIAL AND LOCATION:SILVER,OUTSIDE SURFACES;PRECIOUS MATERIAL AND WEIGHT:SILVER,0.190 GRAMS;PRECIOUS MATERIAL:SILVER |
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