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 2925-01-439-4451
NSN 6145-01-237-5325
NSN 6145-01-238-7863
NSN 6130-01-487-4061
NSN 7035-01-068-5077
NSN 6130-01-384-3290
NSN 5910-01-175-0231
NSN 6645-01-203-9542
NSN 6130-00-081-9397
NSN 6645-01-268-7265
NSN 6145-01-382-6025
NSN 5990-01-184-6830