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National Stock Number: 5330-01-560-7486
Federal Supply Class: 5330
National Item Identification Number: 015607486
Description: BACK-UP RING,PREFORMED PACKING
Detail: A CIRCULAR SHAPED ITEM WITH AN APERTURE MANUFACTURED TO PREDETERMINED DIMENSIONS, CONSTRUCTED WITH A RECTANGULAR CROSS SECTION THAT MAY BE SOLID, WITH JOINT, OR IN A HELICAL FORM THAT FACILITATES SPIRAL WRAP INSTALLATION. IT PREVENTS SEAL EXTRUSION UNDER PRESSURE AND IS DESIGNED TO FIT ON THE DOWN-PRESSURE SIDE OF A GLAND GROOVE WITH A PACKING, PREFORMED OR O-RING.
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Manufacturer Information:
5393-34 | 55256 | BLOOM MANUFACTURING, LLC | P/L 5393 REF NO. 34 | 55256 | BLOOM MANUFACTURING, LLC |
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Techincal Specification:
PART NAME ASSIGNED BY CONTROLLING AGENCY | RING, BACKUP |
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