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 6610-01-436-2163
NSN 6145-00-170-6872
NSN 6110-01-481-3470
NSN 5835-01-177-1092
NSN 5960-01-381-8475
NSN 5975-01-451-0277
NSN 2925-01-209-9245
NSN 5945-01-064-4879
NSN 5985-01-114-0483
NSN 6650-00-153-3155
NSN 5855-00-586-6255
NSN 5985-01-116-7255