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 6110-01-077-5543
NSN 6150-00-018-8506
NSN 5920-00-584-4592
NSN 6645-01-579-4247
NSN 6620-00-907-2670
NSN 5985-00-474-0866
NSN 6240-01-411-5425
NSN 6150-01-054-7409
NSN 5996-01-139-2843
NSN 6610-00-270-9974
NSN 5920-00-012-2000
NSN 6135-01-567-0739