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 2925-01-583-5619
NSN 6320-00-213-0477
NSN 5950-00-371-3756
NSN 6685-01-156-4262
NSN 5945-01-510-8334
NSN 5935-00-678-6003
NSN 6135-01-660-2840
NSN 6650-01-067-6679
NSN 5930-01-606-9195
NSN 5945-01-608-8350
NSN 5945-01-318-6630
NSN 6220-01-113-6431