| FASTENER LENGTH | 4.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.270 INCHES MINIMUM AND 0.293 INCHES MAXIMUM |
| HEAD STYLE | SQUARE |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ANSI B18.6.2-1972, R1983 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCR, SET, SQ .375-16X4.00 DA |
| POINT STYLE | FLAT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SPECIAL FEATURES | MATL HEAT TREATED ALLOY-STEEL ASTM F912 ANSI/ASME B18.3;FINISH (2) COATS DACROMET 320 COATING AND (2) COATS PLUS BLACK SEALER;LENGTH 4.000IN |
| WIDTH BETWEEN FLATS | 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DACROMET 320 MFR REF ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | ZINC AND ALUMINUM OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 4.000 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNC |