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 5990-00-114-1570
NSN 5930-01-567-3440
NSN 5945-01-365-0754
NSN 5960-01-468-4407
NSN 6135-01-364-0667
NSN 5998-01-206-4672
NSN 6620-01-551-7922
NSN 6645-01-535-7136
NSN 5985-01-419-0141
NSN 5965-00-636-4926
NSN 5985-00-549-9660
NSN 5965-00-961-1627