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 5945-01-472-2941
NSN 5975-01-210-4185
NSN 5930-01-632-1494
NSN 5935-00-871-7786
NSN 2925-01-345-5463
NSN 5905-01-013-9558
NSN 5975-00-833-0445
NSN 5855-01-020-7982
NSN 6150-01-386-4351
NSN 6645-00-801-8237
NSN 6685-01-524-9373
NSN 6645-01-437-9017