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 5950-01-215-4712
NSN 5905-00-416-9677
NSN 5930-01-035-6830
NSN 5990-00-734-7285
NSN 6135-00-452-2266
NSN 6130-00-230-8354
NSN 6145-01-649-6317
NSN 5925-01-238-0655
NSN 5975-01-337-2000
NSN 5965-01-026-9865
NSN 6610-01-196-6388
NSN 7035-01-411-6062