| HI-SHEAR CORPORATION | 73197 |
| HI-SHEAR CORPORATION | 73197 |
| ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | C4293 |
| SATAIR A/S | R1120 |
| SPS TECHNOLOGIES, LLC | 6725 |
| ARCONIC GLOBAL FASTENERS & RINGS, INC. | 6950 |
| HUCK INTERNATIONAL, INC. | 17446 |
| SPS TECHNOLOGIES, LLC | 56878 |
| WEST COAST AEROSPACE INC | 60516 |
| ALCOA GLOBAL FASTENERS, INC. | 92215 |
| HUCK INTL INC | 97928 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 1.197 INCHES MINIMUM AND 1.210 INCHES MAXIMUM |
| HEAD STYLE | A9 FLUSH COUNTERSUNK |
| WIDTH BETWEEN FLATS | 0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| SHANK STYLE | B31 PIN-RIVET, STRAIGHT, THREADED |
| HEAD MAJOR DIAMETER | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| GRIP LENGTH | 0.817 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4130 |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE |
| PROPRIETARY CHARACTERISTICS | PACS |
| SURFACE TREATMENT | CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| THREAD SERIES DESIGNATOR | UNJF |
| A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque. |
