| EXTERNAL KEY QUANTITY | 6 |
| EXTERNAL PREBENT KEY WIDTH | 0.23 INCHES MINIMUM AND 0.25 INCHES MAXIMUM |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 2.24 INCHES MINIMUM AND 2.26 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | CARBON STEEL 4130 PER MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| III MATERIAL | STEEL COMP 4130 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCKWASHER,BEARING LOCKNUT,RETAINING |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 2.322 INCHES MINIMUM AND 2.332 INCHES MAXIMUM |
| SPECIAL FEATURES | OPERATING RPM MAX IS 28550;INSIDE OF WASHER HAS 156 SERRATIONS;BOTH THE LOCKING TANGS AND THE ANTI-TORQUE TANGS ARE LOCATED 180 DEGREES APART |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BLACK OXIDE PER MIL-C-13924,CL I,GR C PLUS MIL-PRF-16173,GR 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |