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 5905-00-138-5059
NSN 5925-01-335-1908
NSN 6610-01-416-8384
NSN 5925-01-167-5954
NSN 6610-00-891-6370
NSN 6610-00-281-5358
NSN 5999-01-501-7427
NSN 5985-00-338-3653
NSN 6130-01-321-5855
NSN 6220-01-045-9091
NSN 6135-00-209-6918
NSN 6220-01-085-4947