| FASTENER LENGTH | 0.593 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
| HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| HEAD HEIGHT | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES SECONDARY WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES FASTENER |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 FASTENER |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 SECONDARY WASHER |
| MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303F OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 323 OR STEEL COMP 348 OR STEEL COMP 385 OR STEEL COMP 302B OR STEEL COMP 384 OR STEEL COMP 303SE PRIMARY WASHER |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.040 INCHES NOMINAL |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.293 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| SECONDARY WASHER MATERIAL THICKNESS | 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |
| SECONDARY WASHER OUTSIDE DIAMETER | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL |
| SECONDARY WASHER STYLE | FLAT |
| SPECIFICATION/STANDARD DATA | 80205-NAS1301 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WASHER QUANTITY | 2 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHER |
| SURFACE TREATMENT | PASSIVATE FASTENER |
| SURFACE TREATMENT | PASSIVATE PRIMARY WASHER |
| SURFACE TREATMENT | PASSIVATE SECONDARY WASHER |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNC |