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 5910-00-751-9581
NSN 6220-01-280-0531
NSN 6620-01-412-5514
NSN 6135-01-525-8196
NSN 5920-01-605-1427
NSN 6645-01-025-1002
NSN 5945-00-166-9941
NSN 5996-01-099-9801
NSN 6110-00-809-1401
NSN 7035-01-384-7573
NSN 6685-00-613-8618
NSN 5835-00-761-5615