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National Stock Number: 5330-14-569-1468
Federal Supply Class: 5330
National Item Identification Number: 145691468
Description: BACK-UP RING,PREFOR
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:
P4-12983 0 | F8226 | SOCIETE TECHNIQUE ARMORICAINE DECAOUTCHOUC ET ELASTOMERES MANUFACTU |
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