| Overall Height | 1.500 inches nominal | 
| Precious Material | gold | 
| Terminal Location | back single mating end single contact grouping | 
| Thread Quantity Per Inch | 18 | 
| Thread Series Designator | unef | 
| Reference Number Differentiating Characteristics | areference number differentiating material will be in accordance with naval inventory control point activity hx quality control. manufacturing and testing specifications available at the dla icp | 
| Thread Class | 2a | 
| Included Contact Type | round pin single mating end single contact grouping | 
| Precious Material And Weight | 0.014 gold grains, troy | 
| Contact Position Arrangement Style | 20-27 single mating end | 
| Distance From Mounting Shoulder To Front Face | 0.750 inches nominal | 
| Environmental Protection | moisture proof and salt water resistant and vibration proof | 
| Special Features | item must comply with requirements of defense supply center columbus production standard no. lo3251 | 
| Unthreaded Mounting Hole Diameter | 0.177 inches nominal | 
| Shell Surface Treatment | passivate | 
| Contact Surface Treatment | gold single mating end single contact grouping | 
| Criticality Code Justification | zzzy | 
| Overall Width | 1.500 inches nominal | 
| Contact Material | copper alloy single mating end single contact grouping | 
| Distance Between Centerlines Of Mounting Facilities Parallel To Body Width | 1.218 inches nominal | 
| Center To Center Distance Between Mounting Facilities Parallel To Height | 1.218 inches nominal | 
| Shell Type | solid | 
| Included Contact Quantity | 14 single mating end single contact grouping | 
| Connector Locking Method | externally threaded shell | 
| Polarization Method | keyway or multiple keyway | 
| Terminal Type | crimp single mating end single contact grouping | 
| Overall Length | 1.662 inches maximum | 
| Nominal Thread Size | 1.250 inches | 
| Precious Material And Location | contact surfaces gold | 
| Mating End Quantity | 1 | 
| Insert Position In Deg | 0.0 | 
| Thread Direction | right-hand | 
| Body Style | straight shape, external coupling w/backshell | 
| Threaded Device Type | coupling facility | 
| Contact Removability | removable single mating end single contact grouping | 
| Shell Material | steel corrosion resisting | 
| Contact Surface Treatment Document And Classification | mil-g-45204 mil spec single treatment response single mating end single contact grouping |