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National Stock Number:
5330-01-510-7483
Federal Supply Class:
5330
National Item Identification Number:
015107483
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:
| 17P6E2020-501 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.454 INCHES MINIMUM AND 0.484 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.035 INCHES MINIMUM AND 0.065 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SINGLE TURN SPIRAL | | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC POLYAMIDE NYLON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | RETAINER,PACKING | | PERIPHERAL DIAMETER | 0.785 INCHES MINIMUM AND 0.815 INCHES MAXIMUM |
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