| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE |
| OVERALL LENGTH | 3.280 INCHES MINIMUM AND 3.310 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL | STEEL COMP 1020 |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| NUT END SHANK LENGTH | 0.078 INCHES MINIMUM AND 0.108 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| SHOULDER DIAMETER | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| SPECIAL FEATURES | STUD END HAS LONGITUDINAL SPLIT 0.093 IN. NOM W BY 1.792 IN. NOM LG; STUD END 0.500 IN. NOM ACROSS FLATS BY 1.250 IN. NOM LG; STUD END STEP FROM THD 0.390 IN. NOM DIA BY 0.115 IN. NOM LG; NUT END STEP FROM THD 0.285 IN. NOM DIA BY 0.094 IN. NOM LG |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.578 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 0.697 INCHES NOMINAL STUD THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| THREAD QUANTITY PER INCH | 16 NUT THREAD |