A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
1 mounting device quantity, bolt mounting method, accommodates one item 7/8 in. Dia. , steel body material, zinc body surface treated
Plastic or plastic, phenolic body material, 0.375 inches diameter, 0.185 inches length, 3/8-24 thread size, part no. 1020 end item identification
Plastic or plastic, phenolic body material, 0.688 inches diameter, 0.594 inches length, cap for lamp socket usage design, friction mounting method
Plastic or plastic, phenolic body material, 0.688 inches diameter, 0.594 inches length, cap for lamp socket usage design, friction mounting method
0.147 inches unthreaded mounting hole diameter, 0.875 inches distance between mounting facility centers, 2 mounting facility quantity
Metal, nonferrous or aluminum body material, 3.500 inches diameter, 0.938 inches length, 3/12-2 thread size, type no. An/cpn-4 end item identification
NSN 5990-00-797-7649
NSN 5930-01-435-1396
NSN 5960-01-157-4509
NSN 5925-00-578-4774
NSN 5990-01-532-6113
NSN 5950-00-518-2162
NSN 5999-01-561-7367
NSN 5998-01-578-2380
NSN 6105-01-306-0678
NSN 5990-01-136-4068
NSN 2925-01-171-5349
NSN 6685-01-633-3747
Last Updated: 08/12/2025