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National Stock Number:
5330-01-514-8681
Federal Supply Class:
5330
National Item Identification Number:
015148681
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:
| 8-038V709-90 | 02697 | PARKER-HANNIFIN CORP | | 8-038V709-90 | 59875 | EATON CORP | | 93375-11 | 59875 | EATON CORP |
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Techincal Specification:
| CENTER HOLE DIAMETER | 2.623 INCHES MINIMUM AND 2.663 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SOLID | | CROSS-SECTIONAL HEIGHT | 0.049 INCHES NOMINAL | | HARDNESS RATING | 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-83248 TY II MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | RUBBER SYNTHETIC | | PART NAME ASSIGNED BY CONTROLLING AGENCY | RING,BACKUP | | PERIPHERAL DIAMETER | 2.746 INCHES MINIMUM AND 2.752 INCHES MAXIMUM |
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