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National Stock Number:
5330-12-385-6621
Federal Supply Class:
5330
National Item Identification Number:
123856621
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:
| 40079959 | KCUC6 | MINISTRY OF DEFENCE FUTURE AIRCRAFT CARRIER IPT CVF IPT | | X006351 | C4957 | EVAC GERMANY GMBH |
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