| FEATURES PROVIDED | GROMMETGROMMET |
| FLANGE DIAMETER | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL |
| FLANGE THICKNESS | 0.043 INCHES NOMINAL0.043 INCHES NOMINAL |
| HOLE TYPE | THREADEDTHREADED |
| INSERT STYLE | PROTRUDING FLANGEPROTRUDING FLANGE |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| SHOULDER DIAMETER | 0.309 INCHES NOMINAL0.309 INCHES NOMINAL |
| SPECIAL FEATURES | 0.186 IN. LG0.186 IN. LG |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECTNAVY SPECIAL PROJECT |
| SURFACE TREATMENT | ANODIZE OVERALL |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.164-32 UNIFIED NATIONAL COARSE (UNC) |