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 6135-01-428-8821
NSN 5910-00-564-4351
NSN 5895-01-131-6155
NSN 5950-01-165-0031
NSN 5990-01-571-7468
NSN 5925-01-008-5205
NSN 6145-01-113-0693
NSN 5950-00-549-4313
NSN 5975-01-191-1845
NSN 5960-01-467-0961
NSN 5905-01-357-3076
NSN 5910-01-421-2460