| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.358 INCHES MINIMUM AND |
| 1.420 INCHES MAXIMUM |
| FASTENER LENGTH | 1.438 INCHES MINIMUM AND |
| 1.500 INCHES MAXIMUM |
| MATERIAL | STEEL OR |
| STEEL COMP 1060 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GRADE 3 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS 7240 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 77820-9-3036 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND |
| 53.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FILLISTER |
| HEAD DIAMETER | 0.292 INCHES MINIMUM AND |
| 0.313 INCHES MAXIMUM |
| HEAD HEIGHT | 0.156 INCHES MINIMUM AND |
| 0.180 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | SLOT |
| WASHER QUANTITY | 1 |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.283 INCHES MINIMUM AND |
| 0.297 INCHES MAXIMUM |
| PRIMARY WASHER MATERIAL THICKNESS | 0.040 INCHES MINIMUM AND |
| 0.050 INCHES MAXIMUM |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 77820 |
| DESIGN CONTROL REFERENCE | 10-35937-24 |