Do pits matter?Dear Half-Mast, On our M120/M121 mortars, we have noticed pitting in the bottom of the breech breech (brech) the buttocks. breech n. The lower rear portion of the human trunk; the buttocks. breech, britch the buttocks of an animal; the backs of the thighs. cap where the firing pin goes. Is this something to be concerned about? We were wondering if that could mean the breech cap is unsafe. SGT ser·geant n. 1. a. Abbr. SGT or Sgt or Sgt. A noncommissioned rank in the U.S. Army or Marine Corps that is above corporal and below staff sergeant. b. J.K. Dear Sergeant J.K., You bet pits matter Any pitting more than .01 inch deep over a .375-in area (about the size of the top of a pencil) condemns the breech cap and tube. They need to be sent to direct support for borescoping and pullover Mortar mortar, in building mortar, in building, mixture of lime or cement with sand and water, used as a bedding and adhesive between adjacent pieces of stone, brick, or other material in masonry construction. units should look for pitting in the tube and breech cap during PMCS PMCS PMC Sierra (stock symbol) PMCS Project Management Control System PMCS partial mission-capable, supply (US DoD) PMCS Preventive Maintenance Checks & Services PMCS Professional Military Comptroller School . |
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