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 6145-00-407-5676
NSN 5990-00-811-5227
NSN 5930-01-152-1142
NSN 6650-01-118-8984
NSN 5855-01-212-5007
NSN 5950-00-364-0764
NSN 6145-00-830-8210
NSN 6145-01-392-1116
NSN 5965-01-560-8572
NSN 6650-00-170-5095
NSN 5930-01-400-6126
NSN 5925-00-415-2286