| FASTENER LENGTH | 0.750 INCHES NOMINAL | 
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM FASTENER | 
| HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM | 
| HEAD STYLE | HEXAGON | 
| LOCKING FEATURE | PATCH  OR PELLET  OR STRIP THREADS | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE FASTENER | 
| MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING FEATURE | 
| MATERIAL | NICKEL ALLOY K-500 FASTENER | 
| MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH | 
| MINIMUM YIELD STRENGTH | 90000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD DIAMETER | 0.375 INCHES | 
| THREAD CLASS | 2A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.625 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | 
| THREAD QUANTITY PER INCH | 16 | 
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | 
| WIDTH BETWEEN FLATS | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |