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 2925-00-503-9122
NSN 6220-01-097-8461
NSN 5915-01-067-4478
NSN 6105-01-450-9402
NSN 5990-00-474-5609
NSN 5920-00-466-3950
NSN 5985-01-188-8573
NSN 5996-00-597-2234
NSN 4140-01-160-8934
NSN 6105-01-451-6801
NSN 6320-01-411-6610
NSN 5855-01-351-6875