|
|
|
National Stock Number:
5330-99-898-9042
Federal Supply Class:
5330
National Item Identification Number:
998989042
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.
|
Manufacturer Information:
| FL080161 | U2164 | JAMES WALKER & CO LTD | | FL080161 | U8616 | JAMES WALKER & CO LTD |
|
|
|
|