8666741: UNIT,IGNITION ADVANCE.
The UNIT,IGNITION ADVANCE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2920-00-040-0498, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| Part Number | 8666741 |
| NSN | 2920-00-040-0498 |
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | INTERNAL INVOLUTE SPLINE DATA'NUMBER OF TEETH 20,DIAMETRAL PITCH 16/20,PRESSURE ANGLE/AT GIVEN PITCH DIAMETER/20 DEGREES,CIRCULAR PITCH 0.1963 IN.,BASE CIRCLE DIAMETER 1.1746 IN.,CHORDAL SPACE WIDTH 0.0981 IN./MACHINE TO 0.981-0.1002/PERMISSABLE BACKLASH 0.002 TO 0.006 IN. WHEN MESHING WITH MATING SPLINE,MAXIMUM TOOTH SPACING ERROR REFERENCED TO PITCH LINE 0.003 IN. BETWEEN ADJACENT TEETH,0.0007 IN. CUMULATIVE INDEX,TEETH TO BE PARALLEL WITH AXIS WITHIN 0.0002 IN. PER IN. OF LENGTH,MAXIMUM DIM CIR SPACE WIDTH 0.1003 IN.,MIN DIM CIR SPACE WIDTH 0.0982 IN.,MIN EFF CIR SPACE WIDTH/WITH GAGE/0.0975 IN.,1.1094-1.1012 IN. BETWEEN 0.10497 IN. DIA PINS,AMERICAN BOSCH PART NUMBER GR-5221-A FSCM 01843 IN |