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 5990-01-025-7466
NSN 6650-00-754-2276
NSN 5925-01-144-6567
NSN 2925-01-144-0352
NSN 5920-00-246-5992
NSN 6685-01-413-8374
NSN 7035-00-104-7613
NSN 5905-01-138-7480
NSN 6645-01-457-3810
NSN 6645-00-119-6221
NSN 5996-00-803-2404
NSN 5945-00-325-5140