THREAD SERIES | UNJF |
NOMINAL THREAD SIZE | 0.438 INCHES |
THREAD QUANTITY PER INCH | 20 |
THREAD CLASS | 3B |
THREAD DIRECTION | RIGHT-HAND |
MATERIAL | STEEL COMP 8740 OR |
| STEEL COMP 4340 NUT |
| STEEL COMP 1050 WASHER |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE NUT |
| AMS 5085 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, CL 2, TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
NUT STYLE | FLAT WITH TURNED UP EDGE |
WASHER OUTSIDE DIAMETER | 0.760 INCHES MAXIMUM |
OVERALL HEIGHT | 0.383 INCHES MINIMUM AND |
| 0.403 INCHES MAXIMUM |
WIDTH ACROSS FLATS | 0.492 INCHES MINIMUM AND |
| 0.502 INCHES MAXIMUM |
LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
NUT COUNTERBORE DEPTH | 0.072 INCHES MINIMUM AND |
| 0.087 INCHES MAXIMUM NUT |
COUNTERBORE DIAMETER | 0.474 INCHES MINIMUM AND |
| 0.484 INCHES MAXIMUM NUT |
TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |
SPECIFICATION/STANDARD DATA | 80205-NAS1726 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |