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 6130-01-271-9079
NSN 5950-01-437-8484
NSN 5855-00-058-1293
NSN 6610-01-107-7576
NSN 5945-01-400-1145
NSN 5925-00-228-4048
NSN 6645-01-605-4351
NSN 6110-00-281-3676
NSN 6240-01-421-9388
NSN 5895-00-644-5712
NSN 6320-01-039-5891
NSN 5920-00-151-4039
Last Updated: 08/07/2025