CG 47组顾问NR 15-92 TACTAS平整绞线总成固定螺栓*** *** INACTIVE INACTIVE *** *** INACTIVEREF / A / DOC / NAVSEA / 85MAY16 // AMPN / NAVSEA DWG 807-5035351 - 安装控制DWG FOR OK-410（V）1 / SQR LEVELING ASSEMBLY.// RMKS / 1。与AN / SQR-19（V）TACTAS水平绞线器组件安装HARDWARE此通报说注意ALCON的潜在问题。2.背景。调查进入矿井休克USS普林斯顿后的效果透露，平整绞线组件的安装螺栓，不符合REF A根据要求。具体而言，其开销地基引起的休克平整绞线大会TEAR FREE。注14的REF A指出安装螺栓被HEX 0.750-10 UNC-2A，MIL-S-1222G GRADE 500（镍合金，90 KSI强度），与用于自锁螺母0.750 UNC-3B MS16228-12C AND平垫圈0.750 MS15795-422。螺栓应扭转至160 FT-LB（加润滑）。用在板普林斯顿螺栓上二年级。3.行动。 CG 47 CLASS SHIPS SHALL INSPECT THE LEVELWIND ASSEMBLY MOUNTING BOLTS TO VERIFY THAT THE PROPER BOLTS WERE USED. GRADE 500 BOLTS ARE IDENTIFIED BY THE LETTER K PRECEDED AND FOLLOWED BY DOTS (ALTERNATIVELY, THEY MAY BE MARKED NI-CU-AL) PERMANENTLY MARKED ON THE BOLT HEAD TOGETHER WITH THE MANUFACTURERS SYMBOL AND LOT NUMBER. NUTS ARE SIMILARLY MARKED ON THE NUT FACE. IF IMPROPER BOLTS ARE FOUND, FORM 4790/2K SHOULD BE PREPARED FOR THEIR REPLACEMENT DURING THE NEXT SRA. 4. FOR COMNAVSURFLANT/COMNAVSURFPAC - RECOMMEND CG 47 CLASS SHIPS BE TASKED TO CARRY OUT THE REQUIREMENTS OF PARA 3 ADVISING TYCOMS OF RESULTS. IN ORDER TO SATISFY CANCELLATION CRITERIA FOR THIS ADVISORY, REQUEST TYCOMS COORDINATE RESPONSES AND FORWARD RESULTS TO ORIGINATOR. 5. FOR SUPSHIP BATH/PASCAGOULA - ENSURE THAT SUBJECT ASSEMBLY FOR SHIPS NOW UNDER CONSTRUCTION IS IN ACCORDANCE WITH THE REQUIREMENTS OF REF A. 6. THIS ADVISORY HAS NO IMPACT ON EOSS, CSOSS, PMS, OR TECHNICAL DOCUMENTATION. IT WILL BE CANCELLED WHEN PROPER INSTALLATION HAS BEEN VERIFIED ON ALL SHIPS. 7. POC IS MR. N. S. SMITHSON, PMS400F43B, DSN 332-5981 OR COMM (703) 602-5981. TECHNICAL POC IS R. BROWN, PMS400B32B, DSN 332-7090 OR COMM (703) 602-7090.//
CG-47.