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 5945-01-515-5546
NSN 5925-01-318-5930
NSN 6320-01-392-6922
NSN 6645-01-091-9363
NSN 5950-00-170-9103
NSN 5985-00-557-1649
NSN 5975-01-595-9998
NSN 5905-00-725-3185
NSN 5895-01-510-4198
NSN 5996-01-419-1201
NSN 5985-01-275-8319
NSN 5960-01-491-2993