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 5925-00-629-1974
NSN 6240-01-411-5425
NSN 5985-00-661-2263
NSN 6620-00-488-0626
NSN 5945-00-580-0873
NSN 5985-01-221-2867
NSN 5895-01-577-5120
NSN 5975-01-030-6933
NSN 5920-01-145-8616
NSN 5925-00-165-8694
NSN 5950-00-173-7105
NSN 5990-00-373-9787