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 4140-00-838-1252
NSN 6130-00-375-6299
NSN 4140-00-466-9268
NSN 5975-00-079-0022
NSN 2925-00-938-3797
NSN 6685-01-283-3150
NSN 6650-01-492-7809
NSN 5965-01-464-0220
NSN 5915-00-779-8307
NSN 6135-01-443-7716
NSN 5905-01-231-1871
NSN 6135-01-190-2628