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 6685-00-166-0761
NSN 6620-00-071-3895
NSN 6105-00-585-4634
NSN 5999-01-444-3486
NSN 6320-01-652-3806
NSN 6220-00-104-5365
NSN 5925-00-992-4963
NSN 5910-01-201-2946
NSN 6320-01-017-5274
NSN 6110-00-827-3026
NSN 5945-00-993-5730
NSN 5835-01-463-2334