| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| EXPANSION DEVICE | DRIVE STEM-TYPE H |
| FASTENER LENGTH | 0.577 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| GRIP LENGTH | 0.500 INCHES NOMINAL |
| HEAD HEIGHT | 0.077 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.415 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| HEAD STYLE | COUNTERSUNK W/REVERSE CHAMFER |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6415&JDBMIL-S-6526 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA-582 ASSN STD 2ND MATERIAL RESPONSE COLLAR |
| MATERIAL | STEEL BODY |
| MATERIAL | STEEL COMP 303SE COLLAR |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK STYLE | PIN-RIVET, TAPERED, THREADED |
| SHEAR BREAKING STRENGTH | 9300 DOUBLE NOMINAL NEWTON |
| SPECIAL FEATURES | MAJOR DIAMETER: 0.2486 IN. MINIMUM AND 0.2495 IN. MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1, CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |
| TIP DIAMETER | 0.241 INCHES MINIMUM AND 0.244 INCHES MAXIMUM |