THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.229 INCHES MINIMUM AND |
| 0.273 INCHES MAXIMUM |
FASTENER LENGTH | 0.697 INCHES MINIMUM AND |
| 0.710 INCHES MAXIMUM |
MATERIAL | STEEL OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.203 INCHES MINIMUM AND |
| 0.235 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND |
| 0.565 INCHES MAXIMUM |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER DIAMETER | 0.371 INCHES MINIMUM AND |
| 0.374 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 0.385 INCHES MINIMUM AND |
| 0.395 INCHES MAXIMUM FIRST SHOULDER |
THE MANUFACTURERS DATA | |
MANUFACTURERS CODE | 29780 |
DESIGN CONTROL REFERENCE | 810256-3 |