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 5930-01-378-5454
NSN 5950-00-503-2802
NSN 6620-00-280-2874
NSN 5999-01-441-9308
NSN 5925-01-476-0126
NSN 5905-01-050-1827
NSN 4140-01-537-9629
NSN 5985-01-326-8565
NSN 6620-01-365-1499
NSN 5925-00-782-6946
NSN 6145-01-249-4329
NSN 2925-01-522-1134