| COUNTERBORE DIAMETER | 0.085 INCHES MINIMUM AND 0.089 INCHES MAXIMUM BOSS |
| MATERIAL | STEEL COMP 304 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| PILOT DIAMETER | 0.118 INCHES MINIMUM AND 0.122 INCHES MAXIMUM |
| PILOT LENGTH | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| NUT COUNTERBORE DEPTH | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM BOSS |
| NUT DIAMETER | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| NUT HEIGHT | 0.480 INCHES NOMINAL |
| NUT STYLE | CLINCH |
| SPECIAL FEATURES | KNURLED BOSS,0.030 IN. MIN,0.035 IN. MAX LG,0.142 IN. DIA; MIN THD DP 0.250 IN. |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 3608009-0001,FSCM 27914 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 40 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |