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National Stock Number: 5330-01-599-4744
Federal Supply Class: 5330
National Item Identification Number: 015994744
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:
| SP562-010 | 76050 | EATON AEROSPACE LLC M C AEROSPACE DIV DBA STERER ENGINEERING |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | SOLID | | HARDNESS RATING | 70.0 SHORE DUROMETER A NOMINAL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR | | PERIPHERAL DIAMETER | 0.363 INCHES NOMINAL |
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