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National Stock Number:
5330-01-582-8010
Federal Supply Class:
5330
National Item Identification Number:
015828010
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:
| 4HP09 | 73992 | TUTHILL CORP HANSEN COUPLING DIV |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.914 INCHES MINIMUM AND 0.934 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | CONTOURED FACE SOLID | | CROSS-SECTIONAL HEIGHT | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | POLYTETRAFLUOROETHYLENE HYDRAULIC COUPLING BACK-UP RING | | PERIPHERAL DIAMETER | 1.114 INCHES MINIMUM AND 1.146 INCHES MAXIMUM |
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