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 5998-00-842-4940
NSN 5999-01-598-1212
NSN 6145-01-138-4252
NSN 6610-01-565-7344
NSN 5996-01-228-8888
NSN 5910-00-419-7525
NSN 5910-00-983-0808
NSN 6645-00-276-7544
NSN 6685-01-374-3516
NSN 5855-01-408-3154
NSN 5965-00-939-4495
NSN 2925-01-446-0525
Last Updated: 07/20/2025