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 5975-01-260-9972
NSN 6135-00-203-9645
NSN 5935-01-076-3300
NSN 5920-00-598-0469
NSN 5930-01-044-2396
NSN 5835-00-257-2852
NSN 5910-01-207-0909
NSN 5965-01-378-6937
NSN 5996-01-390-8845
NSN 5975-01-512-8525
NSN 5835-00-594-4921
NSN 7035-01-643-5749