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 6620-01-107-2965
NSN 6135-01-460-3243
NSN 5945-00-337-0454
NSN 5905-01-440-7672
NSN 5910-01-026-9587
NSN 5975-00-618-8194
NSN 5920-01-332-1033
NSN 6610-00-371-1897
NSN 6620-01-659-8887
NSN 6150-01-414-1536
NSN 5960-00-170-9614
NSN 5935-01-218-4577