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 6110-00-539-9543
NSN 5999-01-472-2515
NSN 5990-01-059-0947
NSN 6130-01-141-1686
NSN 6610-01-398-1094
NSN 5960-01-495-0859
NSN 5945-01-222-7454
NSN 6650-00-924-3340
NSN 6145-00-107-7913
NSN 5855-00-995-2098
NSN 5915-01-204-5122
NSN 5925-01-031-0663