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 5996-00-420-3082
NSN 5910-01-080-3612
NSN 5930-01-101-7854
NSN 6145-00-833-7753
NSN 6685-01-479-2365
NSN 6650-01-218-4742
NSN 5920-01-025-6989
NSN 5855-01-564-2044
NSN 4140-00-097-0167
NSN 6320-01-643-0850
NSN 5855-01-421-7691
NSN 5895-00-886-3158