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 5990-01-213-6319
NSN 6130-01-129-7070
NSN 5945-01-400-4157
NSN 6150-01-032-2916
NSN 6110-00-973-4501
NSN 2925-00-150-7334
NSN 6135-01-054-2462
NSN 5999-01-360-0013
NSN 5999-00-466-3226
NSN 5945-01-085-6446
NSN 6645-01-106-6369
NSN 5990-01-089-9694