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 5990-00-135-6180
NSN 5985-01-465-7191
NSN 2925-00-444-1186
NSN 6145-01-469-6276
NSN 5960-01-230-2806
NSN 5990-00-006-5760
NSN 5975-01-397-7460
NSN 5990-01-242-9653
NSN 6645-00-434-8793
NSN 5905-01-618-5788
NSN 2925-01-161-7440
NSN 5910-01-378-6053