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 6620-00-538-3974
NSN 5965-01-422-1392
NSN 6685-00-269-6444
NSN 2925-00-448-3102
NSN 5925-01-394-4953
NSN 6240-01-602-5514
NSN 5960-00-910-3690
NSN 5895-00-333-8612
NSN 6150-01-576-6287
NSN 6145-01-087-5860
NSN 6110-01-398-2602
NSN 5835-01-406-4066