No. 3 course; for air oil tank
An abrasive material composed of long fine metallic shavings, used for cleaning, smoothing, and polishing.
Classification: Iron or steel wool; pot scourers and scouring or polishing pads, gloves and the like, of iron or steel
NSN 6220-00-617-9616
NSN 6620-00-927-1790
NSN 5945-01-181-5956
NSN 5998-00-911-4774
NSN 6135-01-621-0742
NSN 6105-01-591-5694
NSN 5960-00-044-6807
NSN 5910-01-050-8451
NSN 2925-01-027-1293
NSN 5920-01-208-8794
NSN 6685-01-076-4703
NSN 5999-01-173-5502