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 5999-00-933-5070
NSN 2925-00-835-4315
NSN 5990-01-154-7296
NSN 6645-00-982-2846
NSN 5925-00-912-9343
NSN 6110-01-258-7147
NSN 6150-01-416-5188
NSN 6650-01-391-7527
NSN 5998-00-383-6191
NSN 5960-00-243-8397
NSN 5910-00-079-0078
NSN 6645-00-763-4852