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National Stock Number:
5330-01-517-7643
Federal Supply Class:
5330
National Item Identification Number:
015177643
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:
| S13122-016-29 | 09257 | TRELLEBORG SEALING SOLUTIONS US, INC. |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | AGAV | | CROSS-SECTIONAL SHAPE STYLE | SINGLE TURN SPIRAL | | CROSS-SECTIONAL HEIGHT | 0.060 INCHES MINIMUM AND 0.118 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | RETAINER,PACKING; HEAVY DUTY BACK-UP RING-SINGLE TURN | | PERIPHERAL DIAMETER | 0.729 INCHES MINIMUM AND 0.735 INCHES MAXIMUM |
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