| Make | Kollsman |
|---|---|
| Model | Altimeter-Encoder |
| Condition | Used |
| Location | Perrysburg, OH , US |
| Date Listed | Aug 5, 2026 |
| Expires | Sep 4, 2026 |
Description
Kollsman Altimeter-Encoder — $275.
Specs
- Make / Model: Kollsman Altimeter-Encoder
- Condition: Used
- Location: Perrysburg, OH
Summary
Untested - sold as-is for parts / display / repair / rebuild.
Description
Kollsman Altimeter-Encoder - Military Aircraft (Navy Contract Era)
Manufacturer: Kollsman Instrument Corporation
Product: Altimeter-Encoder
Part No: C4152020003 (SELLER TO CONFIRM full PN from label - partial reading)
Serial No: partial reading - includes 70-C-0400 area (SELLER TO CONFIRM full SN)
Contract: N00019-70-C-0400 area (US Navy, 1970 contract)
FSN: 6610-168-0797
Range: -1,000 to +38,000 FT
Country: US
Form Factor: Round panel-mount with large multi-pin (~30-pin) rear connector + static port
Front features: Standard altimeter face 0-9, Kollsman window (currently showing 30.43), CODE OFF flag (orange, small in bottom-left), ALT label, drum readout.
This is an AAU-21/A class altimeter-encoder used on many military and business aircraft as the primary altimeter combined with Mode C encoding for transponder use. High-demand aviation surplus item - suitable for military restorers, warbird owners, and business jet restorers.
Condition: Used, cosmetic wear. Untested - sold as-is for parts / display / repair / rebuild. [SELLER: confirm full PN and full SN from label, verify glass condition, needle freedom, Kollsman knob action, encoder function, and static port condition before shipping.]
No returns.
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