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 |
|---|---|---|
| AAHN | END SIMILARITY | NOT IDENTICAL |
| AMDL | FIRST END DIAMETER | 0.3750 INCHES NOMINAL |
| CSPY | LARGEST STEP DIAMETER | 0.875 INCHES NOMINAL |
| CSYM | SURFACE FINISH | 16.0 MICROINCHES |
| AAGZ | FIRST END STYLE | EXTERNAL THREADED |
| ATPC | STEP QUANTITY | 2 |
| MATT | MATERIAL | STEEL |
| AMFZ | SECOND END DIAMETER | 0.8745 INCHES NOMINAL |
| AAHP | SECOND END STYLE | SQUARE (ROUND CORNERS) |
| ABHP | OVERALL LENGTH | 4.750 INCHES NOMINAL |
| AMEA | FIRST END EXTERNAL THREAD LENGTH | 1.300 INCHES NOMINAL |
| ACMD | SECOND END WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |
| CTBM | SECOND END STEP LENGTH | 1.500 INCHES NOMINAL |