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 5945-00-156-0781
NSN 6150-00-781-3155
NSN 6145-01-032-3693
NSN 6620-01-545-9837
NSN 2925-00-398-0253
NSN 5965-01-292-7062
NSN 5960-00-539-7914
NSN 2925-01-065-0060
NSN 6685-00-663-9000
NSN 5925-00-051-4892
NSN 6645-01-177-2766
NSN 6645-00-312-2752