| FASTENER LENGTH | 1.656 INCHES MINIMUM AND 1.703 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM |
| GRIP LENGTH | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM |
| HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | VASC0 JET M-A FSCM 81755 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | VANADIUM ALLOY OVERALL |
| MINIMUM TENSILE STRENGTH | 300000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SPECIFICATION/STANDARD DATA | 56878-EWSB930 MANUFACTURERS STANDARD |
| WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | NICKEL AND CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.334 INCHES MINIMUM AND 0.401 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |