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 7035-00-834-2090
NSN 5945-00-051-2670
NSN 6135-00-933-4293
NSN 6320-01-145-2742
NSN 5950-00-502-1142
NSN 5945-01-432-4977
NSN 6645-01-432-7943
NSN 6685-00-837-3963
NSN 4140-01-139-4041
NSN 6150-00-787-0369
NSN 6610-00-008-0217
NSN 5935-00-929-9556