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 6645-01-170-5402
NSN 4140-00-142-2491
NSN 6130-01-580-8841
NSN 6105-01-391-0566
NSN 6240-01-557-7463
NSN 5920-01-580-7747
NSN 6650-00-416-2953
NSN 7035-00-312-3055
NSN 4140-00-397-9252
NSN 6150-01-047-4180
NSN 6685-00-936-9008
NSN 5996-01-186-4790