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 5998-01-463-9725
NSN 5925-01-625-8675
NSN 6645-00-149-1100
NSN 6650-01-246-0213
NSN 6145-00-853-1648
NSN 5990-01-579-2711
NSN 6650-01-325-3747
NSN 6110-00-307-8480
NSN 7035-01-633-9537
NSN 6620-01-015-2470
NSN 5998-01-088-8373
NSN 6645-00-183-8812