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 2925-01-474-3363
NSN 6685-00-233-6563
NSN 6220-01-161-5016
NSN 5905-01-426-6633
NSN 6105-01-608-3974
NSN 5910-01-092-9210
NSN 5915-01-410-7822
NSN 4140-01-126-5989
NSN 5990-00-864-6513
NSN 5910-00-436-3897
NSN 6145-01-651-5208
NSN 5999-00-915-1085