Military specification MIL-C-40166 covers a cotton duck case used to carry either a field dressing or an unmounted magnetic compass.

History

• 1973-02-01: Revision B Notice 1 - cancellation ^[1]
• 1966-09-07: Revision B; CASE, FIELD FIRST AID DRESSING - UNMOUNTED MAGNETIC COMPASS, M-1956 ^[2]

Notes

1. ↑ https://quicksearch.dla.mil/qsDocDetails.aspx?ident_number=80136
2. ↑ http://hdl.handle.net/2027/uiug.30112006206822?urlappend=%3Bseq=47