THREAD DIRECTION | RIGHT-HAND |
FASTENER LENGTH | 1.341 INCHES MINIMUM AND |
| 1.371 INCHES MAXIMUM |
MATERIAL | IRON ALLOY 660 OVERALL |
THREAD LENGTH | 0.514 INCHES MINIMUM AND |
| 0.574 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS 5733 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM AND |
| 341.0 BRINELL STANDARD MAXIMUM OVERALL |
HEAD HEIGHT | 0.140 INCHES MINIMUM AND |
| 0.170 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND |
| 0.439 INCHES MAXIMUM |
GRIP LENGTH | 0.797 INCHES MINIMUM AND |
| 0.827 INCHES MAXIMUM |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.114 INCHES MINIMUM AND |
| 1.134 INCHES MAXIMUM FIRST HOLE |
SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND |
| 0.086 INCHES MAXIMUM FIRST HOLE |
FEATURES PROVIDED | FINISHED HEAD |
SPECIFICATION/STANDARD DATA | 80205-NAS1004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |