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National Stock Number:
5330-01-516-5827
Federal Supply Class:
5330
National Item Identification Number:
015165827
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:
| 7431MT-4780N | 5F573 | GREENE TWEED & CO INC | | 7431MT-4780N | 72902 | PALMETTO INC | | 7M1189SN431-3 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| CENTER HOLE DIAMETER | 5.402 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SINGLE TURN SPIRAL | | CROSS-SECTIONAL HEIGHT | 0.090 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | 5F573,GTS-020 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC POLYAMIDE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | STAGE BACK-UP RING,SINGLE RING | | PERIPHERAL DIAMETER | 5.724 INCHES NOMINAL |
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