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 6145-01-152-2417
NSN 6240-01-175-2919
NSN 5990-01-551-4356
NSN 6130-01-040-4438
NSN 5895-01-266-2061
NSN 5895-01-252-0276
NSN 5835-01-644-4958
NSN 6645-00-778-8719
NSN 5910-01-108-5134
NSN 5925-00-549-5365
NSN 6130-01-327-3261
NSN 6135-01-026-9960