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 5996-00-611-1264
NSN 5915-01-080-0828
NSN 6610-00-630-0494
NSN 5855-01-647-7019
NSN 2925-00-265-7539
NSN 5925-01-460-7634
NSN 5990-00-855-6535
NSN 6240-01-461-8193
NSN 6650-01-426-4253
NSN 6145-01-123-1508
NSN 5975-00-239-7347
NSN 2925-00-816-8765