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National Stock Number:
5330-01-595-5634
Federal Supply Class:
5330
National Item Identification Number:
015955634
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:
| H77064-01-3-2 | 0EYA6 | DEFENSE MARITIME SOLUTIONS, INC. |
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Techincal Specification:
| SPECIAL FEATURES | PHOSPHORUS BRONZE;USED ON 20.625 INCH BULKHEAD SEAL;ASTM B103 CU ALLOY UNS C52400;MAT SPEC BS3076 NA18 |
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