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 5975-00-266-2029
NSN 6145-01-188-5856
NSN 5925-01-373-7068
NSN 5905-01-378-5902
NSN 5855-00-532-0025
NSN 6105-00-419-5979
NSN 4140-00-528-2921
NSN 5975-01-214-6556
NSN 6135-01-604-8739
NSN 5930-01-194-1566
NSN 6110-01-630-7822
NSN 6110-00-961-5204