Resident Evil 4/Biohazard 4 Items & Weapons List [Decimal] Convert to hex with a hex calculator/converter, I found these values myself, unsure if anyone else has, took me about an hour, sorry if someone posted them elsewere.

magnum ammo - 0
Hand Grenade - 1
incendiary grenade - 2
matilda 9mm - 3
handgun ammo - 4
first aid spray - 5
green herb - 6
rifle ammo - 7
chicken egg - 8
brown chicken egg - 9
gold chicken egg - 10
plaga sample - 12
krauser's knife - 13
flash grenade - 14
salazar family insignia - 15
bowgun - 16
bowgun bolts - 17
green herb x2 - 18
green herb x3 - 19
mixed herbs g+r - 20
mixed herbs g+r+y - 21
mixed herbs g+y - 22
rocket launcher (special) - 23
12 gauge shells - 24
red herb - 25
handcannon ammo - 26
hourgalss w/ gold decor - 27
yellow herb - 28
stone tablet - 29
lion ornament - 30
goat ornament - 31
tmp ammo - 32
punisher - 33
punisher w/ silencer [Gamecube Only]  - 34
handgun - 35
handgun w/silencer - 36
red9 - 37
red9 w/stock - 38
balcktail - 39
blacktail w/silencer [Gamecube Only]  - 40
broken butterfly - 41
killer7 - 42
killer7 w/silencer [Gamecube Only] - 43
shotgun - 44
striker - 45
rifle - 46
rifle (semi-auto) - 47
tmp - 48
activation key (blue) - 49
tmp w/stock - 50
activation key (red) - 51
chicago typewriter [Leon] - 52
rocket launcher (single fire) - 53
mine thrower - 54
handcannon - 55
combat knife - 56
serpant ornament - 57
moonstone (right half) - 58
insignia key - 59
round insignia - 60
false eye - 61
custom tmp - 62
silencer - 63
punisher - 64
p.r.l. 412 - 65
stock (red9) - 66
stock (tmp) - 67
scope (rifle) - 68
scope (semi-auto rifle) - 69
mine-darts - 70
shotgun - 71
rifle (semi-auto) w/ infared scope - 81
krauser's bow - 82
chicago typewriter [Ada] - 83
treasure map (castle) - 84
treasure map (island) - 85
velvet blue - 86
spinel - 87
pearl pendant - 88
brass pocket watch - 89
elegant headdress - 90
antique pipe - 91
gold bangle w/ pearls - 92
amber ring - 93
beerstein - 94
green catseye -95
red catseye - 96
yellow catseye - 97
beerstein w/ (g) - 98
beerstein w/ (r) - 99
beerstein w/ (y) - 100
beerstein w/ (g/r) - 101
beerstein w/ (g/y) - 102
beerstein w/ (r/y) - 103
beerstein w/ (g/r/y) - 104
moonstone (left half) - 105
chicago typewriter ammo - 106
rifle + scope - 107
rifle (semi-auto) w/ scope 108
infinite launcher - 109
king's grail - 110
queen's grail - 111
staff of royalty - 112
gold bars - 113
arrows - 114
bonus time 115
emergency lock card key - 116
green catseye - 118
ruby - 119
blue moonstone - 122
mine key - 123
attache case - XL - 127
gold sword - 128
iron key - 129
stone of sacrifice - 130
storage room card key - 131
freezer card key - 132
panther - 133
serpant - 134
eagle - 135
jet-ski key -136
dirty pearl pendant - 137
dirty brass pocket watch - 138
old key - 139
camp key - 140
dynamite - 141
lift activation key - 142
gold bangle - 143
elegant perfume bottle - 144
mirror w/ pearls & rubies -145
waste disposal key - 146 
elegant chessboard - 147
riot gun - 148
black bass - 149
hourgalss w/ gold decor - 150
black bass (L) - 151
illuminados pendant - 152
rifle w/ infared scope - 153
crown - 154
crown jewel - 155
royal insignia - 156
crown with jewels - 157
crown with insignia - 158
salazar family crown - 159
rifle ammo (infared) - 160
emerald - 161
bottle caps - 162
gallery key - 163
emblem (right half) - 164
emblem (left half) - 165
hexagonal emblem - 166
castle gate key - 167
mixed herb (r+y) -168
treasure map (village) - 169 
scope (mine thrower) -170
mine thrower + scope - 171
butterfly lamp - 184
green eye - 185
red eye - 186
blue eye - 187
butterfly lamp w/ (g) - 188
butterfly lamp w/ (r) - 189
butterfly lamp w/ (b) - 190
butterfly lamp w/ (g/r) - 191
butterfly lamp w/ (g/b) - 192
butterfly lamp w/ (r/b) - 193
butterfly lamp w/ (r/g/b - 194) 
prison key - 195
platinum sword - 196
infared scope - 197
elegant mask - 198
green gem - 199
red gem - 200
purple gem - 201 
elegant mask w/ (g) - 202
elegant mask w/ (r) - 203
elegant mask w/ (p) - 204
elegant mask w/ (g/r) - 205
elegant mask w/ (g/p) - 206
elegant mask w/ (r/p) - 207
elegant mask w/ (r/g/p) - 208
golden lynx - 209
green stone of judgement - 210
red stone of faith - 211
blue stone of treason - 212
golden lynx w/ (g) - 213
golden lynx w/ (r) - 214
golden lynx w/ (b) - 215
golden lynx w/ (g/r) - 216
golden lynx w/ (g/b) - 217
golden lynx w/ (r/b) - 218
golden lynx w/ (g/r/b) - 219
blue moonstone - 122
tactical vest - 254