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 6130-01-080-8071
NSN 7035-00-445-9657
NSN 6240-01-487-4386
NSN 6240-01-535-6520
NSN 6110-01-339-8071
NSN 4140-00-073-4475
NSN 6150-01-203-0196
NSN 6320-00-557-3079
NSN 6685-01-380-2998
NSN 5996-01-086-1985
NSN 5965-00-196-7320
NSN 5905-00-811-6335