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 6240-01-515-2400
NSN 5945-00-947-0547
NSN 2925-01-118-6125
NSN 6110-00-156-6468
NSN 6145-00-290-3859
NSN 6145-01-090-7258
NSN 5855-01-301-0158
NSN 5945-01-285-8037
NSN 5975-01-411-6054
NSN 7035-01-167-2241
NSN 6320-00-405-2348
NSN 6645-01-180-6219