Terminal qty: 8; termina type: pin; container material: metal; joint electronics type designation system item name: receiver-transmitter; joint electronics type designation system type number: oa-1257/mpq-4a; crystal qty: 1; terminal location: axially at one end; crystal material: quartz; crystal frequency for which designed: 30.0 megahertz; 1.084 in.Dia by 3 in.O/a dim, hermetically sealed; mtg configuration: mounts into a standard octal base;
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 5975-00-734-6243
NSN 6150-00-827-9005
NSN 6650-01-379-9215
NSN 6150-00-481-1915
NSN 5835-00-170-5238
NSN 5990-01-147-5225
NSN 5950-01-535-6326
NSN 5925-01-146-5528
NSN 5905-01-406-6486
NSN 6645-01-353-6863
NSN 5985-00-932-4531
NSN 5905-01-590-2855
Last Updated: 08/07/2025