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 5985-01-347-5839
NSN 6685-00-934-0787
NSN 4140-01-617-0040
NSN 2925-01-196-6187
NSN 6150-01-432-4850
NSN 5925-00-513-7610
NSN 5930-00-259-7150
NSN 5975-01-133-8937
NSN 5950-00-137-7987
NSN 4140-00-076-4088
NSN 5905-00-456-0626
NSN 5960-01-442-7950