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 5905-01-524-9663
NSN 6130-01-355-4121
NSN 6220-01-546-4442
NSN 6645-01-425-2330
NSN 5835-01-074-7593
NSN 7035-00-215-3272
NSN 5930-01-013-4865
NSN 6620-01-067-5670
NSN 5835-00-170-5238
NSN 5965-00-004-6371
NSN 5855-01-361-9787
NSN 6130-01-449-2525