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 6320-01-287-8070
NSN 4140-01-339-2829
NSN 5998-00-711-9782
NSN 5985-01-209-4985
NSN 5925-01-411-6028
NSN 5996-01-494-4122
NSN 2925-01-354-1752
NSN 6150-00-246-6673
NSN 5975-00-837-3293
NSN 5935-01-576-8655
NSN 6105-01-157-3033
NSN 6105-00-937-7643