Piper Aircraft 487-433 Spring lace-up The microphone is recommended for

The microphone is recommended for advanced technology air transports employing electronic flight instrumentation systems (glass cockpits)

but over time

Listed under NSN Stock#8040-00-264-6816:#8040-01-067-6126

Moisture-Resistant Build: Withstands frequent use and challenging conditions

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Piper Aircraft 487-433 Spring lace-up The microphone is recommended forProduct Overview The Piper Aircraft 487 433 Spring is an aviation component. Refer to specifications below. Specifications Manufacturer Piper Aircraft Part Number 487 433 Condition New Unit of Measure EA Minimum Order Qty 1 Weight 0. 01 lb Dimensions 4. 19 x 3. 07 x 0. 19 Inch Country of Origin United States Schedule B 7320205000 ECCN 9A991. d