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 4140-01-322-8491
NSN 5950-00-656-4304
NSN 5925-00-356-8007
NSN 5905-01-222-0739
NSN 5925-01-362-6654
NSN 6685-01-254-3490
NSN 6220-01-576-3469
NSN 6110-00-130-5342
NSN 2925-01-327-3069
NSN 5835-01-602-0311
NSN 6685-01-068-4446
NSN 6610-00-361-6954