For airplane observation, bn2a21 islander
No other part numbers with same form, fit, and function found.
An insulator designed to fit into and reduce the effective diameter of the hole(s). It may include mounting and/or conducting hardware. For flexible bushing-type insulators that are self-retaining and consist of two facing flanges separated by a neck, see grommet, nonmetallic. Also see spacer, sleeve and bushing, sleeve. Excludes insulation sleeving, electrical.
Classification: Electrical insulators, nesoi
NSN 5835-00-656-7317
NSN 5855-01-069-4742
NSN 5985-01-248-4985
NSN 6130-00-266-7496
NSN 5965-00-958-7455
NSN 5895-01-451-2998
NSN 6620-01-022-8570
NSN 6650-01-500-0555
NSN 4140-01-198-5652
NSN 5950-00-557-5585
NSN 5910-01-389-3068
NSN 2925-01-137-4062