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 6220-00-218-0857
NSN 6220-01-036-5331
NSN 6135-01-174-9195
NSN 6685-00-448-1235
NSN 5998-01-230-3029
NSN 6145-01-391-5148
NSN 5910-00-232-5028
NSN 5950-01-538-3862
NSN 5905-01-021-0991
NSN 6150-01-228-0184
NSN 6620-01-107-2965
NSN 6240-01-259-0494