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 5905-00-028-4081
NSN 6240-00-307-9650
NSN 6110-01-308-0353
NSN 6620-00-989-8692
NSN 5835-01-384-3206
NSN 2925-01-495-1178
NSN 5935-01-161-1088
NSN 5990-01-296-8190
NSN 5960-01-061-6216
NSN 6145-00-548-0549
NSN 5950-01-592-3145
NSN 6105-00-010-1170