| FASTENER LENGTH | 1.190 INCHES MINIMUM AND 1.210 INCHES MAXIMUM |
| FEATURES PROVIDED | CASEHARDENED |
| HEAD HEIGHT | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| HEAD LENGTH | 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| HEAD STYLE | TEE NO. 3 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SPECIAL FEATURES | UNTHREADED PART OF SHANK 0.3125 IN. TO 0.3135 IN. DIA |
| WIDTH BETWEEN FLATS | 0.405 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2403 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.470 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNF |