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 5975-01-074-6890
NSN 5960-00-781-0151
NSN 5960-00-384-2601
NSN 5935-01-640-7385
NSN 5855-00-922-6459
NSN 5985-01-424-1097
NSN 6110-00-802-8351
NSN 7035-01-091-7481
NSN 6240-00-292-3237
NSN 6135-01-173-6306
NSN 6145-01-025-4493
NSN 5930-01-014-1262