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 6135-00-087-5300
NSN 4140-01-496-8846
NSN 6150-01-012-8639
NSN 5920-01-328-3146
NSN 5855-01-611-6544
NSN 6110-00-647-3932
NSN 7035-01-576-5481
NSN 5905-00-248-0835
NSN 4140-00-660-8699
NSN 6135-00-542-6216
NSN 6610-01-042-8621
NSN 6320-00-937-5625