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 5998-00-580-8887
NSN 6135-01-171-9299
NSN 6645-01-344-4184
NSN 6645-01-275-8436
NSN 5835-01-464-2662
NSN 5975-01-600-7435
NSN 5965-00-764-1841
NSN 5960-01-418-2641
NSN 6610-01-083-1446
NSN 6645-01-008-2720
NSN 5930-00-474-2911
NSN 5975-01-512-0705