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 5960-00-188-8648
NSN 6220-01-074-5823
NSN 5835-01-063-1522
NSN 5990-01-493-4039
NSN 6145-01-052-3167
NSN 5920-01-493-6191
NSN 5975-01-079-9068
NSN 2925-01-615-9143
NSN 2925-01-618-2711
NSN 6220-01-336-7414
NSN 2925-01-184-2413
NSN 6150-01-308-0960