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National Stock Number:
5330-01-592-8137
Federal Supply Class:
5330
National Item Identification Number:
015928137
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:
| S13050-131-1 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER |
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Techincal Specification:
| CENTER HOLE DIAMETER | 1.688 INCHES MINIMUM AND 1.693 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SOLID | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SOLID HEAVY DUTY BACKUP RING | | SPECIAL FEATURES | THICKNESS IS 0.062 MIN AND 0.058 MAX; WIDTH IS 0.087 MIN AND 0.085 MAX |
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