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 4140-00-860-1373
NSN 5975-01-007-6078
NSN 5975-01-394-5705
NSN 5835-01-641-0073
NSN 6110-01-079-2737
NSN 5965-01-258-5662
NSN 5895-01-601-7821
NSN 5960-01-090-6442
NSN 2925-00-774-8247
NSN 4140-00-253-1801
NSN 2925-01-565-6410
NSN 5965-01-148-3130