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National Stock Number:
4920-01-443-8012
Federal Supply Class:
4920
National Item Identification Number:
014438012
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:
| 3C3608G02 | 07482 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| FUNCTIONAL DESCRIPTION | USED TO REMOVE/REPLACE THE LPT FORWARD ROTATING AIR SEAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | FIXTURE, MACHINE-INSPECTION AIR SEAL PRESSURE TURBINE FWD | | NOMINAL OVERALL DIAMETER | 21.000 INCHES | | SPECIAL FEATURES | C/O RING OF ALLOY STEEL; 2 RABBETS ARE MACHINED ON INSIDE OF THIS RING TO PROVIDE A TIGHT FIT ON THE OUTSIDE OF THE SEAL HOUSING. THE LOWER SIDE HAS BEEN MACHINED ON A 16.380 I.D. BY 0.900 D. TO LOCAATE THE STRIPPER RING. THE STRIPPER RING IS 16.250 O.D. BY 13.250 I.D. BY 0.500 THK. AND IS TAPPED IN 6 LOCATIONS FOR 0.375 UNC BOLTS. THE FIXTURE RING IS DRILLED AND TAPPED IN 18 LOCATIONS FOR 0.375 BY 16.000 UNC BOLTS WHICH ATTACH THE 6 CLAMP PADS AND 6 SUPPORT BLOCKS. THE CLAMP PADS AND SUPPORT BLOCKS ARE USED FOR RETAINING THE SEAL IN THE FIXTURE DURING MACHING AND INSPECTION OPERATIONS; MFGR NOUN: FIXTURE,MACHINING | | REFERENCE DATA AND LITERATURE | SERD NO. 6046 |
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