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 5990-00-356-8911
NSN 2925-00-899-0018
NSN 5996-00-026-9118
NSN 5996-00-685-9109
NSN 5999-00-174-2776
NSN 6150-01-456-8946
NSN 2925-00-180-2532
NSN 6685-01-089-8141
NSN 5895-01-457-9151
NSN 5905-00-424-9789
NSN 6130-01-444-2079
NSN 5835-01-202-1376