Breech inspections now semiannual.The 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 tables in TM 9-1005-200-23&P are pretty specific on when to inspect 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. on your Bradley's M242 gun. Only one problem ... it's not enough! The standard breech, NSN NSN National Stock Number NSN Nokia Siemens Networks NSN National Storytelling Network NSN NATO Stock Number NSN New Substances Notification (CEPA) NSN National Student Number (NZ) NSN Never Say Never 1005-01-114-0080, is inspected after reaching 12,500 rounds and then every 2,500 rounds afterward af·ter·ward also af·ter·wards adv. At a later time; subsequently. Adv. 1. afterward - happening at a time subsequent to a reference time; "he apologized subsequently"; "he's going to the store but he'll be back here . The enhanced breech, NSN 1005-01-454-0398, is inspected after 25,000 rounds and every 5,000 rounds afterward. No inspections are required before reaching these round counts. At one unit, a 25mm round exploded in a standard breech that had broken into two pieces during firing. Luckily, there were no injuries, but the M242 was a complete loss. Testing revealed that a stress crack had developed in the breech and became larger over time. And because there were no firing records available from before the unit received the Bradley, there was no way to tell just how many rounds the gun had fired. For that reason, gun system maintainers are now required to inspect the M242's breech semiannually sem·i·an·nu·al adj. Occurring or issued twice a year. sem  i·an in addition to the round count
inspections. The increased frequency will give inspectors a chance to
find any signs of cracking before it results in an accident due to
breech failure.
You'll find the inspection procedures in work package 0051 00 of TM 9-1005-200-23&P. |
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