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National Stock Number:
4920-01-291-7311
Federal Supply Class:
4920
National Item Identification Number:
012917311
Description:
FIXTURE,MACHINING,AIRCRAFT ENGIN
Detail:
A FIXTURE DESIGNED TO HOLD AIRCRAFT ENGINE OR AUXILIARY POWER UNIT INDIVIDUAL PARTS, SUBASSEMBLIES, OR ASSEMBLIES IN POSITION FOR MACHINING TO DESIGN TOLERANCES DURING MODIFICATION OR REPAIR.
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Manufacturer Information:
| PWA57711 | 77445 | RTX CORPORATION |
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Techincal Specification:
| FUNCTIONAL DESCRIPTION | USED TO SUPPORT AND ALIGN THE LPTCASE DUCT SET IN THE SEAL GRINDING MACHINE | | NOMINAL OVERALL DIAMETER | 31.000 INCHES | | NOMINAL OVERALL HEIGHT | 1.000 INCHES | | REFERENCE DATA AND LITERATURE | SERD NO. 5852; T.O. 2J-F100-94 | | SPECIAL FEATURES | C/O STEEL RING 31.000 IN. O.D. AND 25.000 IN. I.D. AND 1.000 IN. THK; THIS RING SUPPORTS THE FWD FLANGE OF THE CASE DUCT SET AND PROPERLY ALIGNS THE CASE DUCT SET IN THE SEGMENT GRIND MACHINE. A SECOND STEEL RING,33.200 IN. O.D.,24.500 IN. I.D. AND 0.700 IN. THK CLAMPS TO AND SUPPORTS THE REAR FLANGE. SECOND RING IS EQUIPPED W/6 THD RODS WHICH PRESS A THIRD STEEL RING,25.800 IN. O.D.,25.000 IN. I.D. AND 0.750 IN. THK AGAINST THE AFT FACE OF THE TIP SEGMENTS FORCING THE SEGMENTS AGAINST THE FIRST TOOLING RING TO MAINTAIN THEIR PROPER POSITIONING DURING THE GRIND OPERATION |
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