MIL-P-27431B (NOTICE-2), MILITARY SPECIFICATION: PURGING KIT, CONVERTER SYSTEM, LIQUID OXYGEN, KMU-78/E (05-NOV-2008)
MIL-P-27431B (NOTICE-2), MILITARY SPECIFICATION: PURGING KIT, CONVERTER SYSTEM, LIQUID OXYGEN, KMU-78/E (05-NOV-2008)., MIL-P-27431B, dated 20 March 1996, remains inactive for new
design; however, the document is valid for use.