| NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | 80205 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.280 INCHES MINIMUM AND 0.371 INCHES MAXIMUM |
| FASTENER LENGTH | 5.602 INCHES MINIMUM AND 5.642 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.246 INCHES MINIMUM FIRST SHOULDER AND 0.249 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 5.240 INCHES MINIMUM FIRST SHOULDER AND 5.260 INCHES MAXIMUM FIRST SHOULDER |
| SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM FIRST HOLE AND 0.080 INCHES MAXIMUM FIRST HOLE |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 5.429 INCHES MINIMUM FIRST HOLE AND 5.489 INCHES MAXIMUM FIRST HOLE |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4037 OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES DESIGNATOR | UNJF |
| SPECIFICATION/STANDARD DATA | 80205-NAS1297 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.280 INCHES MINIMUM AND 0.371 INCHES MAXIMUM |
| FASTENER LENGTH | 5.602 INCHES MINIMUM AND 5.642 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.246 INCHES MINIMUM FIRST SHOULDER AND 0.249 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 5.240 INCHES MINIMUM FIRST SHOULDER AND 5.260 INCHES MAXIMUM FIRST SHOULDER |
| SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM FIRST HOLE AND 0.080 INCHES MAXIMUM FIRST HOLE |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 5.429 INCHES MINIMUM FIRST HOLE AND 5.489 INCHES MAXIMUM FIRST HOLE |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4037 OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES DESIGNATOR | UNJF |
| SPECIFICATION/STANDARD DATA | 80205-NAS1297 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| An externally threaded fastener whose threaded portion is of one nominal diameter, No. 1 ( .19 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 1 ( .19 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 1 ( .19 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW. |
NAS1297-7-5
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