| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.510 INCHES MINIMUM AND 1.530 INCHES MAXIMUM |
| GRIP LENGTH | 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.5018 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED OVERALL |
| IDENTIFICATION CODE COLOR | NATURAL |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| MINIMUM TENSILE STRENGTH | 2950 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHANK DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 4500 DOUBLE POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | DESIGNED FOR USE IN APPLICATIONS WHERE FIBERGLASS E-GLASS OR KEVLAR SOLID LAMINATE ASSEMBLIES ARE ATTACHED TO ALUMINIUM SUBSTRUCTURE. RESTRICTED FROM USE IN SOLID METALLIC JOINTS OR PRIMARY LOAD CARRYING STRUCTURE. |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 88277-3D0086 MANUFACTURERS STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |