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 4140-01-424-2529
NSN 5999-00-578-2896
NSN 5920-00-267-3109
NSN 6685-01-422-1181
NSN 5915-00-723-6395
NSN 5915-01-164-0315
NSN 6135-01-173-2484
NSN 5999-00-840-4442
NSN 4140-00-279-3148
NSN 5855-00-466-2309
NSN 6150-00-219-8058
NSN 6110-01-591-3036