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 5990-01-424-2954
NSN 6145-00-401-3518
NSN 6105-01-012-0965
NSN 6685-01-507-8499
NSN 5920-01-252-8660
NSN 6135-00-840-6451
NSN 5835-01-160-3045
NSN 5975-01-216-7068
NSN 7035-00-145-9138
NSN 5855-01-536-9873
NSN 6220-00-484-2536
NSN 6610-00-760-4476