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 6685-01-082-5528
NSN 6610-01-437-2506
NSN 4140-00-222-2186
NSN 4140-01-253-9165
NSN 2925-00-644-0028
NSN 6105-01-369-9914
NSN 2925-00-853-5039
NSN 5990-01-376-8930
NSN 5920-00-365-4589
NSN 5935-01-056-4691
NSN 5915-00-101-2782
NSN 5990-01-281-3120