| 11. | As the locking ring turns, it cams the lugs of the door forward, pressing the door against the hub.
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| 12. | The Mark 6 gun was constructed of gun steel using a hoops, a locking ring, and Welin breech block.
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| 13. | Mod 6 relined Mod 2 with a uniform twist rifling along with a modified new chase hoop and locking ring.
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| 14. | The rotating locking ring door requires a safety interlock to prevent operation when there is any pressure in the autoclave.
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| 15. | This gun included a smaller chamber, a shell-centering cone, a single-slope band seat, uniform rifling, and a tube locking ring.
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| 16. | The Mark 3 added three hoop locking rings and contained a longer slide, while the Mark 5 had five hoops total.
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| 17. | It is good practice to incorporate the ability to reverse the door locking ring rotation at any time and without delay.
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| 18. | For example, some door designs are simpler than the locking ring type, having no notched cutouts at all in the locking rings.
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| 19. | For example, some door designs are simpler than the locking ring type, having no notched cutouts at all in the locking rings.
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| 20. | The breech end was further modified by being machined out so that it could accommodate a gas check seat liner locking ring.
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