| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,FORGING,4140 OR 8640,GRADE 1,MIL-S-46172; SURFACE ROUGHNESS IS 125.000 MICROINCHES; SURFACE TREATMENT IS MANGANESE PHOSPHATE BASE,MIL-P-16232,TPYE M,CLASS 3; OR ZINC PHOSPHATE BASE,MIL-P-16232,TYPE Z,CLASS 3; AND PAINT,TT-E-489,COLOR WHITE,EXCEPT WAIVE PREPRODUCTION INSPECTION; HEAT TREATMENTIS QUENCH AND TEMPER TO HARDNESS RC26-32; 34.020 IN. LG.; 2.974 IN. DIA. |