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National Stock Number:
5330-01-524-9561
Federal Supply Class:
5330
National Item Identification Number:
015249561
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:
| BCUP6400 | 0JPG9 | PREMIER COPPER DIVISION OF W & O SUPPLY |
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Techincal Specification:
| CENTER HOLE DIAMETER | 3.000 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SOLID | | CROSS-SECTIONAL HEIGHT | 0.139 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY | | PERIPHERAL DIAMETER | 3.391 INCHES NOMINAL |
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