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 6105-00-627-2023
NSN 5975-00-876-4299
NSN 6240-01-563-3381
NSN 6110-01-522-4914
NSN 6620-00-280-2874
NSN 6110-01-633-9660
NSN 6650-01-046-7795
NSN 6130-01-463-8359
NSN 5905-01-304-9428
NSN 5905-01-440-9487
NSN 6645-01-653-7762
NSN 6145-00-074-8778