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 5990-01-007-3806
NSN 5996-00-260-8291
NSN 6620-01-303-2563
NSN 5925-01-058-4971
NSN 5855-00-466-2309
NSN 6620-01-587-5972
NSN 5935-00-914-3896
NSN 5905-00-461-3187
NSN 6135-01-633-8502
NSN 2925-00-617-0826
NSN 5935-00-644-9978
NSN 5920-01-185-2222