| CRITICALITY CODE JUSTIFICATION | FEAT |
| FASTENER LENGTH | 1.010 INCHES MINIMUM AND 1.030 INCHES MAXIMUM |
| GRIP LENGTH | 0.625 INCHES NOMINAL |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.5066 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 23-111 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | 0.138-32 UNJC-2B THREADED CONCENTRIC HOLE AONG THE LONGITUDINAL CENTERLINE OF HEAD END 0.300 IN. MIN. 0.345 IN. MAX DP; SLOT 0.120 IN. LG,0.060 IN. W,0.150 IN. FROM TOP OF HEAD TO SLOT |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |