| FACE NOMINAL WIDTH | 43.000 MILLIMETERS |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-S-6758 ASSN STD 1ST MATERIAL RESPONSE OR AMS6370 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR AMS6345 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A322 ASSN STD 2ND MATERIAL RESPONSE OR AMS6345 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A322 ASSN STD 2ND MATERIAL RESPONSE OR AMS6349 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| III MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | GEAR, RACK FIXED BEAM |
| PITCH HEIGHT | 15.000 MILLIMETERS NOMINAL |
| PRESSURE ANGLE | 25.0 DEGREES |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THICKNESS | 19.000 MILLIMETERS |
| NOMINAL OVERALL LENGTH | 2400.20 MILLIMETERS |
| STYLE DESIGNATOR | SQUARE OR RECTANGULAR |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-186, 374 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL OVERALL |
| TEETH QUANTITY | 191 |
| TEETH TYPE | SPUR |