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 6620-00-675-3342
NSN 6685-00-961-8148
NSN 5910-01-472-2232
NSN 5985-01-104-0146
NSN 6320-01-019-1028
NSN 2925-01-239-6044
NSN 5985-01-167-5562
NSN 6130-01-500-4755
NSN 5996-00-432-8578
NSN 6130-01-503-8171
NSN 6240-01-310-8778
NSN 5910-01-281-7310