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 6220-00-872-7291
NSN 6130-01-296-9532
NSN 5910-00-833-6399
NSN 6105-01-166-7069
NSN 5965-01-550-7505
NSN 5975-01-064-7232
NSN 4140-01-377-3471
NSN 6220-01-557-6638
NSN 6135-01-359-5798
NSN 5990-00-832-2557
NSN 4140-01-361-2292
NSN 5915-00-241-3676