Power 9v battery, plastic case, dimensions 6.1 inch l x 3.7 inch w x 1.3 inch h, temp 59 to 95 degrees f
No other part numbers with same form, fit, and function found.
NSN 5990-00-625-2560
NSN 5960-01-068-9609
NSN 5910-00-469-2249
NSN 5835-01-559-3824
NSN 6220-00-533-3936
NSN 5945-01-524-5431
NSN 6135-01-222-0703
NSN 5965-00-959-4910
NSN 6650-01-648-3903
NSN 6105-01-124-1828
NSN 5910-00-375-5045
NSN 6220-01-232-1572