| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.697 INCHES MINIMUM AND 0.722 INCHES MAXIMUM |
| GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.546 INCHES MINIMUM AND 0.598 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | IL-S-6049 FED SPEC 10TH MATERIAL RESPONSE OR IL-S-5000 FED STD 10TH MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4340 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.2754 INCHES NOMINAL |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.4852 INCHES MINIMUM AND 0.4854 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |