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 5925-01-345-1422
NSN 6610-01-425-1523
NSN 5895-00-661-1773
NSN 5915-01-557-3392
NSN 5999-00-027-1739
NSN 5895-01-508-4893
NSN 5905-00-866-8522
NSN 5905-01-594-2937
NSN 5945-01-534-3664
NSN 6110-01-446-7482
NSN 6135-00-826-4798
NSN 4140-01-073-1012