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 6130-01-604-9288
NSN 2925-00-265-7539
NSN 6130-01-552-1696
NSN 6150-01-046-8704
NSN 5920-01-296-2878
NSN 5920-01-376-4926
NSN 5855-01-070-8084
NSN 5985-00-091-8717
NSN 6645-00-204-4100
NSN 6685-00-911-3021
NSN 5930-00-554-8838
NSN 6685-00-242-6722