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 6610-00-221-6124
NSN 6610-00-264-0961
NSN 6685-00-799-8236
NSN 5905-01-646-3122
NSN 5960-01-599-9821
NSN 5945-00-073-2948
NSN 5950-00-623-0241
NSN 5855-01-656-6808
NSN 6685-00-420-0027
NSN 5920-01-560-4199
NSN 6320-01-227-2648
NSN 6135-01-534-3007