Here's a list that I've compiled of every PCB number from Western Digital that I've heard of. Thought it might be handy for anyone who's trying to collect them all.
- 2060-001003
2060-001047
2060-001062
2060-001076
2060-001092
2060-001100
2060-001102
2060-001113
2060-001127
2060-001128
2060-001129
2060-001130 IDE (Mammoth)
2060-001159
2060-001172
2060-001173
2060-001175
2060-001177
2060-001179
2060-001189
2060-001209
2060-001213
2060-001215
2060-001223
2060-001252
2060-001265
2060-001266
2060-001267
2060-001292 IDE (Sabre 53)
2060-001293
2060-701258
2060-701265
2060-701266
2060-701267
2060-701285 IDE (Scorpio)
2060-701292
2060-701293
2060-701310
2060-701314
2060-701335 SATA (Unicorn, Hawk)
2060-701336
2060-701383
2060-701384
2060-701393 SATA (Raider)
2060-701441
2060-701444
2060-701450
2060-701452
2060-701453
2060-701474
2060-701477 SATA (Tornado 2R)
2060-701494
2060-701499
2060-701508
2060-701510
2060-701520
2060-701532
2060-701537
2060-701552
2060-701563
2060-701567
2060-701572
2060-701590
2060-701596
2060-701622
2060-701640 SATA (Dragfly 2)
2060-701675 USB (Shasta 3D & Marn5 4K)
2060-701692 SATA (Helios, Zephyr)
2060-771574 SATA (Saturn)
2060-771577
2060-771590
2060-771591
2060-771624
2060-771629
2060-771630
2060-771640
2060-771642
2060-771668
2060-771672 SATA (Mariner)
2060-771676
2060-771692 SATA (Everest V, Helios, Zephyr)
2060-771698 SATA (Sadle G6)
2060-771702
2060-771714
2060-771716
2060-771737 USB (Helios)
2060-771754
2060-771761 USB (Zephyr)
2060-771801 USB (Shrek, Firebird)
2060-771814
2060-771817
2060-771820
2060-771822
2060-771823 SATA (Firebird, Shrek)
2060-771824 SATA (Diablo 3D)
2060-771829 SATA (Tresselb)
2060-771852 SATA (Hubble)
2060-771853
2060-771859
2060-771931 SATA (HubbleLT)
2060-771933
2060-771945 SATA (Giant, Diablo 3S, TrailXLS)
2060-771949
2060-771959 SATA (HubbleLT)
2060-771960 SATA (FBLite)
2060-771961 USB (FBLite, Shrek LT)
2060-771978