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 6135-01-574-6577
NSN 6130-01-660-2611
NSN 6650-01-610-6739
NSN 5965-01-367-6483
NSN 5990-01-386-5561
NSN 6620-00-724-1263
NSN 2925-00-491-3549
NSN 5855-01-579-3864
NSN 6645-00-232-4070
NSN 5975-01-471-4296
NSN 5965-00-166-3486
NSN 5905-00-981-4476