No other part numbers with same form, fit, and function found.
A fixed block in the mechanism of a breech loading gun into which the breechblock fits to seal the breech opening during firing.
Classification: Part and accessories of articles of headings 9301 to 9304, nesoi
NSN 6320-00-468-8421
NSN 5996-01-508-2467
NSN 6130-01-207-7125
NSN 6240-01-141-3625
NSN 5895-00-296-9708
NSN 5965-00-348-4165
NSN 6135-00-906-0984
NSN 6685-00-131-2200
NSN 6145-01-085-7394
NSN 5835-01-519-3834
NSN 6110-01-137-7981
NSN 6105-01-502-9759