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 6620-01-280-3516
NSN 6150-01-145-8212
NSN 6150-01-288-8031
NSN 2925-01-061-4012
NSN 5990-00-617-1422
NSN 6145-01-273-0077
NSN 5999-00-657-3435
NSN 6135-00-485-7402
NSN 5960-00-575-5116
NSN 6620-01-215-7979
NSN 7035-01-557-7142
NSN 6685-00-861-5445