Part Number
Definition:
A SHAFT HAVING TWO OR MORE DIFFERENT DIAMETERS (GREATER THAN 0.031 INCHES (0.79 MILLIMETER)) ALONG ITS LENGTH. IT MUST HAVE ONE OR MORE OF THE FOLLOWING CONDITIONS: A SPECIFIED SURFACE FINISH DESIGNATION IN THE RANGE 1 TO 125 MICROINCHES (0.025 TO 3.2 MICROMETERS) ARITHMETICAL AVERAGE (AA), MACHINED PERIPHERAL FLAT(S), CIRCULAR GROOVE(S), KEYWAY(S), SPLINES, THREADS, OR HOLES. THE ENDS AND/OR SHOULDERS MAY BE MACHINED TO ACCOMMODATE BEARINGS, COUPLINGS, AND THE LIKE. IT IS NOT DESIGNED FOR USE IN ALIGNING BY FITTING INTO CORRESPONDING HOLES OF ANOTHER ITEM. FOR ITEMS USED TO SUPPORT ROTATING MEMBERS SEE AXLE(1), SHOULDERED. FOR ITEMS NOT HAVING ANY OF THE ABOVE CONDITIONS SEE PIN, SHOULDER, HEADLESS. EXCLUDES SHAFT(1), STRAIGHT; AND AXLE(1), STRAIGHT.
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
MISCELLANEOUS POWER TRANSMISSION
Inclusions:
INCLUDES SHAFTS AND SHAFTING; COLLARS; GEARSHAFTS; BALL JOINTS; ACTUATING CYLINDERS.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ATPC | STEP QUANTITY | 6 |
| AMGA | SECOND END SPLINE LENGTH | 0.625 INCHES NOMINAL |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| AKTN | SECOND END SLOT WIDTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| AAHP | SECOND END STYLE | STRAIGHT SPLINED AND SLOTTED |
| AMDL | FIRST END DIAMETER | 1.9675 INCHES NOMINAL |
| CSPY | LARGEST STEP DIAMETER | 2.180 INCHES NOMINAL |
| AAGZ | FIRST END STYLE | EXTERNAL THREADED |
| AMGB | SECOND END SPLINE MINOR DIAMETER | 1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 18.438 INCHES NOMINAL |
| AMEA | FIRST END EXTERNAL THREAD LENGTH | 0.630 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | FLIGHT SAFETY CRITICAL |
| AMFZ | SECOND END DIAMETER | 1.7002 INCHES NOMINAL |
| AMGC | SECOND END SPLINE MAJOR DIAMETER | 1.6450 INCHES MINIMUM AND 1.6500 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-9047,TYPE 3,COMP A MIL SPEC SINGLE MATERIAL RESPONSE |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| MATT | MATERIAL | TITANIUM ALLOY |
| AMGR | SECOND END SLOT DEPTH | 0.170 INCHES NOMINAL |