MIL-B-81757/2 Revision B, July 31, 1981
BATTERY STORAGE AIRCRAFT NICKEL-CADMIUM VENTEN CAP
Additional Comments: CNCL S/S BY MIL-PRF-81757/2
This specification is approved for use by all Departments and Agencies of the Department of Defense.
The complete requirements for procuring the vented filler cap described herein shall consist of this document and the latest issue of specification MIL-B-81757.