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 6135-01-370-9440
NSN 6685-01-302-1536
NSN 6650-00-276-7541
NSN 6620-01-624-3933
NSN 5920-00-998-9528
NSN 7035-00-205-8739
NSN 6110-00-071-8351
NSN 6150-01-566-1010
NSN 6135-01-415-1163
NSN 5950-01-500-2105
NSN 2925-01-202-6451
NSN 5950-01-495-8018