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 5975-00-539-7300
NSN 5990-01-378-7349
NSN 6135-01-648-4875
NSN 6650-00-103-3239
NSN 5960-01-024-7918
NSN 6130-01-308-0532
NSN 5925-01-481-0032
NSN 6150-01-595-5853
NSN 5998-00-591-0611
NSN 5855-01-430-5459
NSN 5835-00-440-9049
NSN 6685-00-247-1471