Ref data p-291-c.1 item 15a sub part
No other part numbers with same form, fit, and function found.
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 5965-01-547-0134
NSN 6150-01-364-7136
NSN 5975-01-525-5399
NSN 5945-00-906-7330
NSN 5965-01-005-0611
NSN 5975-00-004-9431
NSN 5965-01-094-1796
NSN 5960-01-429-5897
NSN 6135-00-377-9165
NSN 5895-00-327-8805
NSN 7035-00-541-8516
NSN 5835-01-347-8714