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 5985-01-489-7056
NSN 5996-00-548-5179
NSN 4140-01-651-2024
NSN 6320-01-054-3046
NSN 6145-01-160-7658
NSN 5835-01-135-2601
NSN 2925-01-054-3190
NSN 5996-01-294-9101
NSN 6685-01-350-7968
NSN 5930-00-824-4214
NSN 5996-01-372-4534
NSN 5855-00-405-4532