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 6150-01-444-4219
NSN 6240-01-145-4916
NSN 5855-00-361-0167
NSN 6110-01-145-9982
NSN 5905-01-472-7526
NSN 6240-00-235-5159
NSN 6135-01-180-9611
NSN 5915-01-625-9403
NSN 5935-00-989-4440
NSN 6620-01-618-2962
NSN 6685-01-645-2874
NSN 5960-01-108-8231