Outside diameter is 3.750 in (nom)
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 5855-01-620-8518
NSN 6130-01-430-7193
NSN 5915-01-102-0257
NSN 4140-00-005-4574
NSN 6240-01-025-0355
NSN 5990-01-131-9055
NSN 5835-01-058-1063
NSN 6110-01-325-3145
NSN 5945-01-479-1235
NSN 2925-01-534-5389
NSN 5915-01-338-6431
NSN 6130-01-435-6140