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 5999-01-446-4924
NSN 6320-01-290-5271
NSN 5975-01-426-8968
NSN 6650-01-411-6292
NSN 5935-00-524-5706
NSN 4140-00-155-8012
NSN 5975-01-576-0031
NSN 5999-01-338-1184
NSN 6220-01-311-0196
NSN 5925-01-630-2413
NSN 6685-01-129-7472
NSN 6685-01-064-2733