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 5990-01-340-3575
NSN 6135-01-394-8087
NSN 6645-01-025-1002
NSN 5965-01-241-0553
NSN 5925-00-559-1109
NSN 5990-01-187-8594
NSN 2925-01-440-9912
NSN 6240-01-514-7114
NSN 5910-01-126-5018
NSN 6145-01-117-2458
NSN 5935-01-590-4313
NSN 5855-01-407-5761