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 5920-01-401-5315
NSN 5975-01-437-5352
NSN 5945-01-535-7037
NSN 6135-01-391-6515
NSN 5998-00-234-9472
NSN 5996-01-106-2637
NSN 6685-00-513-4971
NSN 6320-00-646-3311
NSN 5905-01-332-0341
NSN 2925-00-261-5800
NSN 5945-01-206-4520
NSN 5855-01-594-2892