| EXTENDED WASHER THICKNESS | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.375 INCHES NOMINAL |
| FASTENER LENGTH | 0.850 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.312 INCHES NOMINAL |
| HEAD HEIGHT | 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM |
| HEAD STYLE | FILLISTER EXTENDED WASHER |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6300 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4037 OVERALL OR STEEL COMP 8630 OVERALL |
| PRIMARY WASHER MATERIAL THICKNESS | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.375 INCHES NOMINAL |
| PRIMARY WASHER STYLE | FLAT |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| WASHER QUANTITY | 1 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNJC |