Need hoist serial number to i.D. The factory part number
A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5855-01-656-6808
NSN 6135-01-201-5858
NSN 6135-01-132-6310
NSN 6240-01-455-7903
NSN 5998-00-133-1331
NSN 2925-00-868-2733
NSN 5910-00-644-0831
NSN 5975-00-779-3319
NSN 5996-01-368-2689
NSN 5835-00-473-1010
NSN 4140-00-215-8593
NSN 5960-01-323-0024