| EXTERNAL KEY QUANTITY | 4 |
| EXTERNAL STRAIGHT KEY WIDTH | 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM |
| HOLE DIAMETER | 1.395 INCHES NOMINAL |
| INTERNAL PREBENT KEY LENGTH | 0.082 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.220 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.125 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| OUTSIDE DIAMETER | 1.590 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 1.780 INCHES NOMINAL |
| SPECIAL FEATURES | NHA PN K671650; CONTROLLING AGENCY NOMENCLATURE KEYLOCK-WASHER BLOWER DRIVE |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | KPS211 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |