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National Stock Number:
5330-01-500-8085
Federal Supply Class:
5330
National Item Identification Number:
015008085
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:
| V1E10521 ITEM 28 | 99517 | VACCO INDUSTRIES | | V2B12012-1 | 99517 | VACCO INDUSTRIES |
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Techincal Specification:
| CENTER HOLE DIAMETER | 3.000 INCHES NOMINAL | | CROSS-SECTIONAL HEIGHT | 0.070 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SOLID | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS-3656 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | RIDER | | PERIPHERAL DIAMETER | 3.750 INCHES NOMINAL |
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