NSN 4920-01-291-7311
Part Details | AIRCRAFT ENGINE MAINTENANCE MACHINING FIXTURE
4920-01-291-7311 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.
Alternate Parts: PWA57711, 4920-01-291-7311, 01-291-7311, 4920012917311, 012917311
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 49 | JAN 05, 1989 | 01-291-7311 | 52377 ( FIXTURE, MACHINING, AIRCRAFT ENGINE MAINTENANCE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4920-01-291-7311
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| PWA57711 | 77445 | UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS |
Technical Data | NSN 4920-01-291-7311
| Characteristic | Specifications |
|---|---|
| FUNCTIONAL DESCRIPTION | USED TO SUPPORT AND ALIGN THE LPTCASE DUCT SET IN THE SEAL GRINDING MACHINE |
| REFERENCE DATA AND LITERATURE | SERD NO. 5852; T.O. 2J-F100-94 |
| NOMINAL OVERALL HEIGHT | 1.000 INCHES |
| NOMINAL OVERALL DIAMETER | 31.000 INCHES |
| 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 |
| END ITEM IDENTIFICATION | F100-PW-229 TURBOFAN ENGINE |