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 4140-01-463-8749
NSN 6130-01-435-4014
NSN 5915-00-961-1649
NSN 5960-00-630-6630
NSN 5895-01-358-8670
NSN 5945-00-730-1187
NSN 5855-01-179-8887
NSN 5975-01-244-7577
NSN 6650-00-296-4670
NSN 2925-00-265-7539
NSN 2925-00-483-9357
NSN 5985-01-307-6337