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 5930-01-485-0364
NSN 4140-01-192-0497
NSN 6645-00-726-2716
NSN 5930-01-139-3975
NSN 4140-01-067-4317
NSN 5945-01-055-0207
NSN 5990-01-476-0722
NSN 2925-00-928-5931
NSN 5950-01-201-8117
NSN 6685-01-113-0461
NSN 5996-01-359-9931
NSN 5855-01-515-9547