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 2925-00-203-8735
NSN 5965-01-258-1988
NSN 6645-00-767-6307
NSN 5985-01-536-5302
NSN 5960-01-430-3911
NSN 5999-00-299-1207
NSN 6685-01-659-8427
NSN 5910-01-478-6232
NSN 5855-01-042-7990
NSN 5855-01-499-4139
NSN 7035-01-140-8916
NSN 6135-00-269-5843