| MATERIAL | STEEL COMP 1010 OR |
| STEEL COMP 1012 OR |
| STEEL COMP 1015 OR |
| STEEL COMP 1016 OR |
| STEEL COMP 1017 OR |
| STEEL COMP 1018 OR |
| STEEL COMP 1019 OR |
| STEEL COMP 1020 OR |
| STEEL COMP 1021 OR |
| STEEL COMP 1022 OR |
| STEEL COMP 1023 OR |
| STEEL COMP 1524 OR |
| STEEL COMP 1025 OR |
| STEEL COMP 1026 OR |
| STEEL COMP 1527 OR |
| STEEL COMP 1029 OR |
| STEEL COMP 1030 OR |
| STEEL COMP 1035 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | ZINC AND |
| CHROMATE OR |
| CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR |
| QQ-P-416,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 50.0 BRINELL MINIMUM AND |
| 81.0 BRINELL MAXIMUM |
| STYLE DESIGNATOR | KEY |
| EXTERNAL KEY QUANTITY | 19 |
| HOLE DIAMETER | 3.988 INCHES MINIMUM AND |
| 4.018 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 4.812 INCHES MINIMUM AND |
| 4.857 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.250 INCHES MINIMUM AND |
| 0.312 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.298 INCHES MINIMUM AND |
| 0.328 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.313 INCHES MINIMUM AND |
| 0.353 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 5.500 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.088 INCHES MINIMUM AND |
| 0.100 INCHES MAXIMUM |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND |
| 1 CLASS |
| HEAT TREATMENT | ANNEALED |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-W-21338 |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS19070-202 |