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 5920-00-155-2173
NSN 4140-00-060-0020
NSN 5960-01-632-6576
NSN 5965-01-387-6938
NSN 5855-00-494-9581
NSN 6220-00-218-0857
NSN 5996-00-222-6049
NSN 5996-00-386-2236
NSN 2925-00-136-2612
NSN 5895-01-044-6369
NSN 5925-01-432-0149
NSN 5905-01-177-5300