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 5905-01-660-6789
NSN 5835-00-235-6960
NSN 6620-01-160-8517
NSN 6685-01-393-9024
NSN 6620-00-905-6590
NSN 7035-00-890-7649
NSN 5945-01-260-9321
NSN 6685-01-448-6376
NSN 5905-01-556-0823
NSN 6135-01-539-9009
NSN 5945-01-123-5506
NSN 6645-00-153-3834