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 4140-01-487-0087
NSN 6685-00-798-5211
NSN 6130-00-630-1494
NSN 6685-00-934-8676
NSN 6685-01-317-4716
NSN 5895-00-995-9430
NSN 5910-00-133-0497
NSN 5855-00-911-1370
NSN 4140-00-904-8153
NSN 5905-01-335-8912
NSN 6110-01-534-6435
NSN 7035-01-625-1249