Reference data, fig 183b-1, t.O. 31p6-2fps20-4, technical manual, illustrated parts breakdown, radar sets an/fps-20, pg 464
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 6610-01-321-6904
NSN 6135-01-204-8712
NSN 5910-01-212-2801
NSN 6145-01-247-5411
NSN 5935-01-631-1781
NSN 6645-00-544-8529
NSN 6220-00-390-1170
NSN 5925-00-332-0018
NSN 5945-00-553-9963
NSN 6610-01-369-4212
NSN 6145-01-033-1492
NSN 6110-01-599-9802
Last Updated: 07/17/2025