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 5925-01-108-4264
NSN 6645-01-031-6402
NSN 5905-01-270-8064
NSN 4140-01-298-0149
NSN 5965-00-281-0319
NSN 6320-01-651-5210
NSN 2925-01-169-6196
NSN 5925-00-926-8425
NSN 5990-00-470-2535
NSN 5985-01-639-8150
NSN 6135-00-613-1068
NSN 5935-00-622-9874