THREAD SERIES DESIGNATOR | UNRC |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 20 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.000 INCHES NOMINAL |
FASTENER LENGTH | 2.210 INCHES MINIMUM AND |
| 2.250 INCHES MAXIMUM |
MATERIAL | IRON ALLOY 660 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | OXIDE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
COLOR | BLACK OVERALL |
HEAD STYLE | FLAT CHAMFER |
HEAD DIAMETER | 0.365 INCHES MINIMUM AND |
| 0.375 INCHES MAXIMUM |
HEAD HEIGHT | 0.244 INCHES MINIMUM AND |
| 0.250 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | HEXAGON |
WIDTH ACROSS FLATS | 0.1875 INCHES MINIMUM AND |
| 0.1900 INCHES MAXIMUM |
SPECIFICATION/STANDARD DATA | 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 81348 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |