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 5905-00-188-9029
NSN 5895-01-602-9390
NSN 6220-00-149-0977
NSN 5905-01-655-4180
NSN 2925-01-104-8163
NSN 6610-00-144-7036
NSN 4140-00-279-3148
NSN 5835-01-083-7001
NSN 5996-01-287-8311
NSN 5905-01-245-3363
NSN 5975-01-580-9325
NSN 6135-01-100-3593