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 5910-01-621-2230
NSN 6110-01-216-5029
NSN 5930-01-331-3316
NSN 6620-01-061-3497
NSN 6105-00-289-9993
NSN 5855-01-243-2355
NSN 5985-00-249-4402
NSN 6650-00-005-3514
NSN 6220-01-574-2237
NSN 5935-01-525-2186
NSN 5930-00-937-4897
NSN 5855-01-058-6687