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 2925-01-285-7163
NSN 6240-00-222-9392
NSN 6135-01-056-4609
NSN 5905-00-539-5956
NSN 5920-00-828-7904
NSN 5925-01-561-7760
NSN 6240-01-370-5242
NSN 6645-00-930-3566
NSN 6240-01-588-0971
NSN 5990-01-322-9781
NSN 5895-00-673-6750
NSN 2925-01-120-8712