| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.380 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 4.500 INCHES NOMINAL |
| HEAD HEIGHT | 0.125 INCHES NOMINAL |
| HEAD DIAMETER | 1.250 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL THREAD CLASS | 3B CONCENTRIC HOLE |
| INTERNAL THREAD DIRECTION | RIGHT-HAND CONCENTRIC HOLE |
| INTERNAL THREAD LENGTH | 0.450 INCHES MINIMUM CONCENTRIC HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844 300M CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 280000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| NOMINAL THREAD SIZE | 0.190 INCHES CONCENTRIC HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.091 INCHES MINIMUM FIRST HOLE AND 0.096 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.6237 INCHES MINIMUM AND 0.6244 INCHES MAXIMUM |
| SHOULDER LENGTH | 1.310 INCHES NOMINAL |
| SPECIAL FEATURES | COLOR WHITE NO. 17875 FED STD 595 |
| STYLE DESIGNATOR | CONCENTRIC HOLE THREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MMS 420 FSCM K0654 MFR REF SINGLE TREATMENT RESPONSE HEAD |
| SURFACE TREATMENT | CADMIUM GRIP AND CHROMIUM GRIP |
| SURFACE TREATMENT | CADMIUM THREADS |
| SURFACE TREATMENT | PAINT HEAD |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.380 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD SERIES | UNJF CONCENTRIC HOLE |
| THREADS PER INCH | 32 CONCENTRIC HOLE |