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 5910-01-431-6583
NSN 5925-00-777-4083
NSN 6320-01-250-0290
NSN 5945-01-541-0200
NSN 5945-00-336-8119
NSN 5910-01-191-9837
NSN 6685-01-495-5653
NSN 6110-01-027-1501
NSN 5910-00-760-5086
NSN 6135-00-931-9049
NSN 5996-01-575-1501
NSN 2925-01-394-5650