| CRITICALITY CODE JUSTIFICATION | SUPP |
| FASTENER LENGTH | 1.300 INCHES MINIMUM AND 1.320 INCHES MAXIMUM |
| HEAD HEIGHT | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| HEAD DIAMETER | 0.730 INCHES MINIMUM AND 0.737 INCHES MAXIMUM |
| HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SHOULDER DIAMETER | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SPECIAL FEATURES | TWO HOLES DRILLED THROUGH HEAD 0.098 IN. MIN 0.103 IN. MAX DIA,0.520 IN. C TO C BETWEEN BOLT HOLES |
| WIDTH BETWEEN FLATS | 0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM |
| SUPPLEMENTARY FEATURES | BOLT FAILURE COULD CAUSE ENGINE OR AIRCRAFT FAILURE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PWA 37 FSCM 77445 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.167 INCHES MINIMUM AND 1.270 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |