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 6135-01-380-0059
NSN 5915-01-119-8051
NSN 6645-00-551-8291
NSN 6685-01-604-8063
NSN 5920-00-844-6714
NSN 6620-00-025-1889
NSN 5925-00-868-4313
NSN 6110-00-987-3675
NSN 5996-01-565-8951
NSN 5905-01-593-3045
NSN 5895-01-361-7675
NSN 6240-01-383-8579