| EXTENDED WASHER DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| FASTENER LENGTH | 0.584 INCHES MINIMUM AND 0.604 INCHES MAXIMUM |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SHOULDER DIAMETER | 0.2172 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.202 INCHES MINIMUM AND 0.222 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2403 ASSN STD 1ST TREATMENT RESPONSE OR +16-TE3E CL A FSCM 99207 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL OR PHOSPHATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.272 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |