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National Stock Number:
4730-01-178-0951
Federal Supply Class:
4730
National Item Identification Number:
011780951
Description:
TEE,FLANGE TO BOSS
Detail:
A FITTING HAVING THREE CONNECTIONS WITH THE BRANCH CONNECTION FIXED AT 90 DEGREES (1.5708 RADIANS) TO THE RUN. THE FLANGE CONNECTION(S) IS DESIGNED TO CONNECT WITH ANOTHER FLANGE CONNECTION OR A COMPRESSION MOUNTING PAD. THE BOSS CONNECTION(S) HAS EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) AND IS DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. IT MAY HAVE SIDE INLET(S). IT IS USED AS A JUNCTION AT THE INTERSECTION OF A FLANGE OR FLANGE FITTING AND A BOSS OR BOSS FITTING ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, OR THE LIKE.
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Manufacturer Information:
| 41A40000-001 | 43999 | THE BOEING COMPANY | | R-TBD-507 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| BOLT HOLE NOMINAL DIAMETER | 0.281 INCHES FIRST END | | BOLT CIRCLE NOMINAL DIAMETER | 7.375 INCHES FIRST END | | BOLT HOLE QUANTITY | 12 FIRST END | | CONNECTION STYLE | GASKET SEAL (BOSS) THIRD END | | CONNECTION STYLE | GASKET SEAL (BOSS) SECOND END | | FLANGE FACE DESIGN | PLAIN FIRST END | | FLANGE SHAPE | ROUND WITH HOLES FIRST END | | FLOW ANGLE | 90.0 DEGREES | | MATERIAL | ALUMINUM OR STEEL CORROSION RESISTING OVERALL | | NOMINAL OUTSIDE DIAMETER | 8.809 INCHES FIRST END | | SPECIAL FEATURES | U/O B1B ACFT TO ADAPT ENG BLEED AIR DIST SUBSYS CHECK VALVES TO PNEUMATIC TESTING DEVICE;BOSS PER MS33649 |
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