DAMPER, FLUE, 4-INCH (FUTURE ACQUISITION FOR THIS ITEM SHOULD REFER TO U.S. ARMY NATICK RESEARCH DEVELOPMENT AND ENGINEERING CENTER DRAWING NUMBER 5-4-356 AND NSN: 4520-00-288-8650.) (NO S/S DOCUMENT) (SUPERSEDING MIL-D-1427B)
4英寸烟道挡板(该项目的未来采购应参考美国陆军纳蒂克研究开发和工程中心5-4-356号图纸和NSN:4520-00-288-8650 )(无S/S文件)(取代MIL-D-1427B)