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 6620-01-007-4249
NSN 6105-01-532-3186
NSN 5985-01-400-5948
NSN 5930-01-111-8791
NSN 5920-01-419-3027
NSN 5960-01-173-7956
NSN 5975-00-945-7533
NSN 7035-00-553-6951
NSN 6685-00-139-3191
NSN 2925-01-480-2724
NSN 5915-00-630-4510
NSN 2925-00-071-4197