- Bezeichnung: Navigationszirkel der Luftwaffe (Marinezirkel)
- Anforderungszeichen: Fl.23818
- Hersteller: ?
- Baujahr: ca. 1942
- Verwendung: Bestandteil von Navigationstaschen und Kästen der Luftwaffe
- Material: Oberteil aus Duraluminium, Spitzen aus gehärtetem Stahl
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