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 5975-01-614-3958
NSN 5990-01-474-3477
NSN 6620-00-010-8190
NSN 7035-00-131-8219
NSN 5975-00-578-3959
NSN 6320-01-227-2648
NSN 6645-01-380-2103
NSN 5960-01-177-7406
NSN 5920-01-139-5973
NSN 5999-01-545-6645
NSN 6105-01-120-6014
NSN 5985-01-535-7284