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 6645-00-531-4820
NSN 5925-00-297-8821
NSN 2925-00-017-9807
NSN 6240-01-531-3695
NSN 6240-01-297-6165
NSN 6320-01-243-2276
NSN 5945-01-371-1255
NSN 6320-01-592-6248
NSN 5945-00-904-3343
NSN 6130-00-311-5693
NSN 6130-01-552-4382
NSN 6320-00-931-4855