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 7035-01-334-5855
NSN 6130-01-119-5588
NSN 6685-00-945-7340
NSN 6685-00-987-1725
NSN 6320-01-461-1390
NSN 6145-01-052-5203
NSN 6220-01-593-7209
NSN 5975-01-585-9060
NSN 5996-01-247-4407
NSN 5996-00-491-9304
NSN 6685-01-113-5350
NSN 5920-01-163-3973