Steve,
These are the DODIC codes for what I presume is the ammo for the 76 mm/62-calibre MK 75 gun, aka the OTO Melara 76 mm
C058 - CTG, 76 mm VT-NF MK 202 MOD 0
C059 - CTG, 76 mm HE-VT MK 208 MOD 0
C060 - CTG, 76 mm HE-IR (MK 199 MOD 1, MK 282 MOD 1)
C060 - CTG, 76 mm HE-IR MK 199 MOD 0
C061 - CTG, 76 mm HE-PD (MK 200 MOD 1, MK 283 MOD 1)
C061 - CTG, 76 mm HE-PD MK 200 MOD 0
C062 - CTG, 76 mm BL-P MK 201 MOD 0/1/2
C063 - DUMMY CTG, 76 mm Gauging Rd
C066 - CTG, 76 mm HE-CVT MK 230 MOD 0
C097 - DUMMY CTG, 76 mm/62 CAL, MK 207 MOD 0
C112 - CTG, 76 mm HE-IR MK 165 MOD 0/1
C113 - CTG, 76 mm HE-PD MK 166 MOD 0/1
C115 - CTG, 76 mm BL-P MK 168 MOD 0/1
C116 - CTG, 76 mm CLEARING CHG MK 76 MOD 0/1/2
C118 - DUMMY CTG, 76 mm, MK 197 MOD 0
CVT = Controlled Variable Time
HE = High Explosive
IR = Infarred
NF = Non-Fragmenting
PD = Point Detonating
VT = Variable Time
BL-P = Blind Loaded-Plugged
Not sure what one you have, unfortunately.
Neil