| THE BOEING COMPANY | 81205 |
| SPS TECHNOLOGIES, LLC | 6725 |
| HUCK INTERNATIONAL, INC. | 17446 |
| SPS TECHNOLOGIES, LLC | 56878 |
| WEST COAST AEROSPACE INC | 60516 |
| HI-SHEAR CORPORATION | 73197 |
| ALCOA GLOBAL FASTENERS, INC. | 92215 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 1.385 INCHES MINIMUM AND 1.405 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM |
| SHANK DIAMETER | 0.2641 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| HEAD MAJOR DIAMETER | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| GRIP LENGTH | 1.005 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| MATERIAL | STEEL COMP E4340 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| 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. |
