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 6220-01-212-3254
NSN 5925-01-230-4059
NSN 2925-01-172-9209
NSN 5965-01-554-0580
NSN 5905-01-061-9558
NSN 6110-01-355-2374
NSN 4140-01-368-2608
NSN 5905-00-660-6995
NSN 5950-01-537-7998
NSN 6650-01-633-9147
NSN 6620-01-289-6627
NSN 5965-01-444-1322