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 5895-01-202-4766
NSN 6130-00-227-0988
NSN 6220-00-139-3026
NSN 5920-01-069-2992
NSN 6685-01-011-9086
NSN 5930-00-119-3539
NSN 4140-00-387-3552
NSN 5855-01-418-0089
NSN 4140-01-470-7990
NSN 5945-01-568-1448
NSN 6220-00-343-0182
NSN 5999-01-119-8510