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 2925-01-430-4206
NSN 5945-00-962-7202
NSN 6135-00-932-3136
NSN 6130-01-503-0277
NSN 5996-01-185-2995
NSN 4140-01-412-6658
NSN 6150-01-569-9728
NSN 5920-01-541-9171
NSN 5925-00-274-3195
NSN 6645-01-421-2445
NSN 6650-00-680-9595
NSN 6135-01-100-3593