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 5905-00-306-2757
NSN 6240-01-441-3606
NSN 2925-01-422-1542
NSN 6150-01-030-4082
NSN 5910-00-276-3187
NSN 5998-01-281-9791
NSN 7035-00-803-3056
NSN 5975-01-559-7112
NSN 5990-01-378-7349
NSN 5925-00-953-5801
NSN 5950-00-456-1328
NSN 5855-00-198-3197