|
|
|
National Stock Number:
5330-99-667-9849
Federal Supply Class:
5330
National Item Identification Number:
996679849
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.
|
Manufacturer Information:
| 98504.1380 | KCU25 | MINISTRY OF DEFENCE, DG SHIPS - SURFACE COMBATANTS | | 98504.1380 | U0721 | GARDNER DENVER LTD | | NO PRIMARY REF 99-667-9849 | IREF0 | THIS NCAGE IS USED TO INFORM THAT THE DESIGN CONTROL AUTHORITY CANNOT BEESTABLISHED OR THE ITEM OF SUPPLY IS NO LONGER M |
|
|
|
|