The maximum ASVAB score is 99. For enlistment into the Navy, you must get a minimum ASVAB score of 31.
(In some cases a 26 is permitted)
Each Navy job is given a code known as a Navy Enlisted Classification (NEC). Every NEC has different ASVAB score requirements.
The ASVAB test consists of several different subject areas, or subtests. They are:
general science (GS)
arithmetic reasoning (AR)
word knowledge (WK)
paragraph comprehension (PC)
mathematics knowledge (MK)
electronics information (EI)
auto and shop information (AS)
mechanical comprehension (MC)
assembling objects (AO)