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National Stock Number:
5330-01-510-4269
Federal Supply Class:
5330
National Item Identification Number:
015104269
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:
| BACS11BD2 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.870 INCHES MINIMUM AND 0.930 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SINGLE TURN SPIRAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D 4066 ASSN STD SINGLE MATERIAL RESPONSE OR L-P-410 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC POLYAMIDE (NYLON) | | PART NAME ASSIGNED BY CONTROLLING AGENCY | PACKING,PREFORMED | | PERIPHERAL DIAMETER | 1.530 INCHES MINIMUM AND 1.590 INCHES MAXIMUM |
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