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 6220-01-262-3549
NSN 5990-00-998-6193
NSN 5905-00-202-7797
NSN 5950-01-166-6171
NSN 6135-01-394-4160
NSN 6145-00-757-9479
NSN 6145-01-226-7406
NSN 6320-01-445-0325
NSN 5905-00-275-0361
NSN 5990-00-122-8698
NSN 5910-01-065-0711
NSN 5960-01-495-0859