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 5999-01-376-2655
NSN 4140-01-340-9641
NSN 6135-00-078-9931
NSN 6135-01-213-7339
NSN 5855-00-688-9954
NSN 6220-01-558-6496
NSN 5975-00-952-1791
NSN 5965-01-569-3332
NSN 5920-01-564-4873
NSN 5915-01-211-4934
NSN 6135-00-234-6508
NSN 6610-00-136-2662