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 5945-01-272-3135
NSN 6240-01-602-1567
NSN 4140-00-970-8426
NSN 5990-00-724-8812
NSN 5990-00-716-7796
NSN 6685-01-189-6272
NSN 5945-01-311-3028
NSN 6110-01-038-6709
NSN 5998-00-209-3731
NSN 7035-01-088-9029
NSN 6105-01-417-7983
NSN 2925-01-106-3552