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 6645-01-230-8025
NSN 5975-01-344-9760
NSN 5835-01-097-5693
NSN 6105-00-592-0141
NSN 4140-01-485-3321
NSN 6645-01-517-6960
NSN 6320-01-578-6006
NSN 6135-01-260-7180
NSN 5950-01-543-2501
NSN 5945-00-290-1779
NSN 6220-01-110-0728
NSN 6650-01-384-1657