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 6110-00-174-5686
NSN 6150-00-454-8295
NSN 5905-01-387-3873
NSN 6135-01-255-9129
NSN 6130-01-502-1308
NSN 5990-00-067-6791
NSN 5835-01-515-6537
NSN 2925-01-440-7617
NSN 5975-00-236-9327
NSN 5930-01-288-0727
NSN 6130-01-016-5455
NSN 2925-00-157-1602