| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| MATERIAL | IRON ALLOY 660 OR |
| NICKEL ALLOY R-405 LOCKING RING |
| NICKEL ALLOY 400 OR |
| NICKEL ALLOY R-405 SLEEVE |
| IRON ALLOY 660 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR |
| QQ-N-281 FED SPEC 2ND MATERIAL RESPONSE OR |
| QQ-N-281 FED SPEC 3RD MATERIAL RESPONSE LOCKING RING |
| QQ-N-281 FED SPEC ALL MATERIAL RESPONSES SLEEVE |
| AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| SURFACE TREATMENT | PASSIVATE LOCKING RING |
| CADMIUM AND |
| CHROMATE OR |
| ALUMINUM ALLOY SLEEVE |
| PASSIVATE STEM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FOR A286 CRES ONLY FED SPEC SINGLE TREATMENT RESPONSE LOCKING RING |
| QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR |
| NAS 4006 ASSN STD 2ND TREATMENT RESPONSE SLEEVE |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STEM |
| SHEAR STRENGTH | 4000 SINGLE POUNDS PER SQUARE INCH |
| HEAD MAJOR DIAMETER | 0.480 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.022 INCHES MAXIMUM |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND |
| 0.253 INCHES MAXIMUM |
| GRIP LENGTH | 0.751 INCHES MINIMUM AND |
| 0.812 INCHES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| LUBRICATION | DRY FILM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1921 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SPECIAL FEATURES | RIVET MAY BE SLOSH SLEANED WITH MIL-C-38736 CLEANER BEFORE INSTALLATION |