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 5998-00-540-1948
NSN 6105-00-630-0378
NSN 5930-01-246-5499
NSN 5920-00-964-4538
NSN 5975-01-332-4588
NSN 6650-01-046-3718
NSN 6105-00-153-7967
NSN 5999-00-793-0259
NSN 6145-00-182-9797
NSN 6685-01-379-9035
NSN 5910-01-566-9082
NSN 6240-01-628-9240