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 6610-00-536-4977
NSN 6110-01-026-1983
NSN 6220-00-236-8333
NSN 5985-01-194-9803
NSN 5855-01-027-1571
NSN 6645-01-297-5639
NSN 6105-01-511-2739
NSN 2925-01-386-7392
NSN 6320-01-159-2211
NSN 6145-01-123-3793
NSN 6135-01-523-3198
NSN 5925-01-049-6593