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National Stock Number:
5330-99-225-9237
Federal Supply Class:
5330
National Item Identification Number:
992259237
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:
| FEY FK6 ISD 30/1.5X1.3 | K1345 | INTERNATIONAL ENGINEERING COMPANY LIMITED | | LP183-30X1-5 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| CENTER HOLE DIAMETER | 30.0 MILLIMETERS MINIMUM AND 35.5 MILLIMETERS MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | DOUBLE SPIRAL | | CROSS-SECTIONAL HEIGHT | 1.5 MILLIMETERS NOMINAL | | CROSS-SECTIONAL THICKNESS | 1.3 MILLIMETERS NOMINAL | | SPECIAL FEATURES | MANUFACTURED FROM SPRING BAND STEEL CHROMIUM NICKEL 1.4571 | | TEMP RATING | 500.0 DEG CELSIUS |
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