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 6620-00-728-3445
NSN 5945-01-106-6736
NSN 6645-00-677-4354
NSN 5990-01-641-0123
NSN 6610-00-118-2436
NSN 6150-01-107-3455
NSN 5925-01-557-6895
NSN 5925-00-238-0412
NSN 5960-01-389-4055
NSN 5945-01-392-8862
NSN 5975-00-603-6258
NSN 5960-00-633-7670