Part Number: 10-400313 (Impulse coupling asm)Part Number: 10-400316-CORE (Impulse coupling asm)Part Number: 10-400319-CORE (Impulse coupling asm)Part Number: ES10-400313 (Impulse coupling asm)Part Number: ES10-400315 (Impulse coupling asm)Part Number: ES10-400316 (Impulse coupling asm)Part Number: ES10-400319 (Impulse coupling asm)Part Number: ES10-400320 (Impulse coupling asm)