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 6220-01-357-3672
NSN 6220-01-021-8119
NSN 5855-01-472-2554
NSN 5999-01-374-9505
NSN 2925-00-533-6262
NSN 6150-00-445-9917
NSN 6645-00-679-8203
NSN 6610-01-437-2506
NSN 7035-01-285-4473
NSN 5945-01-474-7584
NSN 5975-01-106-3595
NSN 5975-01-502-9662