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National Stock Number: 5330-01-546-2834
Federal Supply Class: 5330
National Item Identification Number: 015462834
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:
121-7637 | 11083 | CATERPILLAR INC | 121-7637 | K2709 | PERKINS ENGINES COMPANY LTD |
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Techincal Specification:
CROSS-SECTIONAL SHAPE STYLE | SOLID | CROSS-SECTIONAL HEIGHT | 2.0 MILLIMETERS NOMINAL | PERIPHERAL DIAMETER | 180.0 MILLIMETERS NOMINAL | PROPRIETARY CHARACTERISTICS | PACS |
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