Pitch and board footprint – 0.163" (4.14 mm) centers
The 1-770174-0: Two rows with the same 0.163" (4.14 mm) row spacing, 4 positions total, all loaded.
Shroud and locking ramp – vibration-proof mate
The locking ramp clicks into the matching receptacle latch – the connection stays mated under vibration without secondary hardware.
