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 6130-00-091-9335
NSN 5925-00-097-4033
NSN 5998-00-173-4127
NSN 2925-00-660-8131
NSN 6240-01-160-8499
NSN 6145-00-882-4976
NSN 5996-01-025-8571
NSN 6150-00-753-3950
NSN 6145-00-562-7463
NSN 5855-00-782-7714
NSN 6685-01-456-1712
NSN 5855-01-287-6391