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 5999-01-084-5109
NSN 5945-00-811-5475
NSN 6135-00-452-2266
NSN 6645-00-071-2200
NSN 6220-01-453-7533
NSN 4140-00-491-5795
NSN 5895-01-350-4484
NSN 5935-00-959-5668
NSN 5855-00-532-0025
NSN 2925-01-250-2731
NSN 4140-01-139-6192
NSN 5999-00-144-4361