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 6610-00-731-3800
NSN 6130-00-732-8505
NSN 5945-01-213-1027
NSN 6685-01-407-0436
NSN 5999-01-462-9440
NSN 5935-01-204-3135
NSN 6610-00-955-6118
NSN 5925-00-393-2410
NSN 5930-01-421-2417
NSN 6610-01-242-9674
NSN 2925-00-203-8735
NSN 2925-01-620-6812