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 5855-01-068-3683
NSN 2925-00-290-7052
NSN 6150-01-360-5209
NSN 5925-01-311-7350
NSN 6610-01-652-3333
NSN 2925-00-403-5036
NSN 6685-01-442-8430
NSN 5998-01-378-7311
NSN 5930-01-460-7064
NSN 6645-01-567-2968
NSN 6135-01-555-4283
NSN 5905-01-174-6514