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 4140-01-510-7900
NSN 5895-01-578-3036
NSN 6620-00-819-0493
NSN 5945-01-471-5246
NSN 6685-01-335-2442
NSN 5910-01-607-8865
NSN 5910-00-535-9113
NSN 5960-01-398-9538
NSN 5990-01-223-4711
NSN 6620-01-305-0412
NSN 5925-00-759-5337
NSN 6240-01-390-0776