| CHAMFER ANGLE | 30.0 DEGREES NOMINAL AND 45.0 DEGREES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM |
| FASTENER LENGTH | 0.875 INCHES MINIMUM AND 0.905 INCHES MAXIMUM |
| GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| GRIP LENGTH | 0.489 INCHES MINIMUM AND 0.509 INCHES MAXIMUM |
| HEAD HEIGHT | 0.204 INCHES MINIMUM AND 0.224 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | UNABLE TO DECODE |
| MATERIAL | UNABLE TO DECODE |
| MINIMUM TENSILE STRENGTH | 4770 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, 12-POINT, EXTERNAL WRENCHING, 220 KSI MIN FTU, 132 KSI MIN FSU, H-11 STEEL, 900 DEG F |
| SPECIAL FEATURES | STEEL - H-11 (UNS T20811) PER AMS6487. DIFFUSED NICKEL-CADMIUM PLATE PER AMS2416, WITH CHROMATE TREATMENT. DOUBLE SHEAR STENGTH LBF MIN: 7,480. UNDRILLED HEAD. INACTIVE FOR DESIGN AFTER JANUARY 29, 2016. NO SUPERSEDING STANDARD. FOR DESCRIPTION OF STATUS NOTES SEE NAS380. PROCUREMENT SPECIFICATION: NASM8906, EXCEPT AS NOTED. FATIGUE TESTING SHALL BE PERFORMED WITH A HIGH LOAD BASED ON 48 PERCENT OF THE ULTIMATE TENSILE LOAD AND A LOW LOAD EQUAL TO 10 PERCENT OF THE HIGH LOAD. |
| SPECIFICATION/STANDARD DATA | 80205-NAS1785 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 80205-NAS-8906 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT | NICKEL AND CADMIUM AND CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | UNABLE TO DECODE |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.390 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |