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 5965-01-236-8281
NSN 6220-01-562-3229
NSN 6685-00-764-1137
NSN 6135-01-604-8739
NSN 6145-00-635-1898
NSN 5999-00-230-9304
NSN 6150-00-201-9583
NSN 5990-01-521-7890
NSN 5975-00-406-4753
NSN 5950-01-387-7011
NSN 5965-01-321-7407
NSN 6145-01-624-4123