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 5925-01-345-1422
NSN 6620-01-233-4505
NSN 6110-01-513-1992
NSN 6645-00-145-6411
NSN 5999-00-474-1648
NSN 5925-01-469-6667
NSN 6620-00-269-5168
NSN 6135-00-255-1340
NSN 6145-00-071-4937
NSN 6645-01-204-7094
NSN 5945-00-237-5360
NSN 2925-01-633-4048