| COLOR | BLACK SECONDARY WASHERBLACK PRIMARY WASHERBLACK STAND-OFFBLACK FASTENER |
| FASTENER LENGTH | 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM |
| HEAD DIAMETER | 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| HEAD HEIGHT | 0.118 INCHES MINIMUM AND 0.148 INCHES MAXIMUM |
| HEAD STYLE | KNURLED NO. 3 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHERASTM A493 ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHERAMS 5688 ASSN STD SINGLE MATERIAL RESPONSE SPRINGQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFFASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL | STEEL COMP 301 SECONDARY WASHERSTEEL COMP 302 PRIMARY WASHERSTEEL COMP 302 SPRINGSTEEL COMP 304 STAND-OFFSTEEL COMP 302 FASTENER |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHERMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHERQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRINGMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFFMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | OXIDE SECONDARY WASHEROXIDE PRIMARY WASHERPASSIVATE SPRINGOXIDE STAND-OFFOXIDE FASTENER |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.235 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 32 |