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 5998-01-050-3187
NSN 5905-01-420-3804
NSN 5925-00-182-7452
NSN 6220-01-221-7748
NSN 6320-00-389-4756
NSN 5920-00-876-3312
NSN 5960-01-654-4353
NSN 6610-01-633-8931
NSN 6150-01-203-4040
NSN 2925-01-049-8906
NSN 5985-00-710-3132
NSN 6135-00-243-8330