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 5905-00-725-4143
NSN 7035-01-510-8436
NSN 5895-01-391-7401
NSN 6685-01-281-8860
NSN 6135-01-167-7604
NSN 5895-01-442-6518
NSN 6320-01-516-3836
NSN 6150-01-374-3206
NSN 6145-00-170-7947
NSN 5985-01-006-3150
NSN 6650-00-389-4111
NSN 6130-01-549-6956