4310-01-512-4248 (AB1000-3-LL-ALSS)
NSN 4310-01-512-4248 (NIIN 01-512-4248) is a breather in Federal Supply Class 4310, Compressors And Vacuum Pumps — a mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase. Manufacturer part number AB1000-3-LL-ALSS (Flow Ezy Filters Inc, CAGE 55524); also referenced as 7457265 (Naval Sea Systems Command).
NIIN assigned August 2003; DEMIL A (none required); unit of issue EA (each), $59.47 gov standard price; export Schedule B 8481.10.0040; ships at 0.2 lb / 0.026 cu ft.