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National Stock Number:
5330-01-523-6372
Federal Supply Class:
5330
National Item Identification Number:
015236372
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:
| 1IN 4446RTSW NO18 PEEK PROTECTOR | 98991 | WORCESTER CONTROLS CORP P O BOX 2609 COOKEVILLE TN 385022609 |
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Techincal Specification:
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