5340-00-826-2055 (MS90376-48R)
NSN 5340-00-826-2055 (NIIN 00-826-2055) is a dust and moisture protective cap in Federal Supply Class 5340, Hardware, Commercial — an item specifically designed to fit over the opening(s) of various items to provide mechanical protection and/or to prevent the entrance of foreign matter. Manufacturer part number MS90376-48R (Military Standards, CAGE 96906); also referenced as EC48 (Caplugs LLC); MIL-C-5501 (Military Specifications).
NIIN assigned January 1962; DEMIL A (none required); unit of issue EA (each), $0.45 gov standard price; export Schedule B 3926.90.4500; ships at 0.02 lb / 0.0039 cu ft.