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 6645-00-551-8291
NSN 6135-01-579-3534
NSN 5998-00-927-7736
NSN 6620-01-312-6350
NSN 6685-00-952-2027
NSN 4140-01-130-6237
NSN 5960-01-381-7725
NSN 6240-01-580-0609
NSN 7035-01-003-9142
NSN 5965-01-415-3865
NSN 5855-00-446-5921
NSN 5905-01-630-8141