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 5998-00-227-2118
NSN 6685-01-142-3201
NSN 2925-00-101-7972
NSN 6240-01-547-2026
NSN 6620-00-798-6866
NSN 6650-00-177-0983
NSN 6650-01-361-9336
NSN 5925-01-486-7132
NSN 5895-01-460-3353
NSN 5975-00-772-8002
NSN 6105-00-770-7237
NSN 6685-01-234-7456