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 6645-00-252-5798
NSN 4140-01-140-9727
NSN 5905-01-584-7826
NSN 6145-01-316-4041
NSN 6110-01-170-7363
NSN 6130-01-303-7934
NSN 5999-01-062-2109
NSN 5915-00-500-8684
NSN 5960-01-026-3505
NSN 5895-01-268-1907
NSN 5905-00-257-1443
NSN 5855-01-657-7657