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Manufacturer part numbers, vendor listings, and source URLs for replacement components in the public ledger.
7431 semiconductor manufactured by Allied Radio Corporation, listed as 7431 (circa 1961).
Vendor: Allied Radio Corporation
7447 semiconductor manufactured by Allied Radio Corporation, listed as 7447 (circa 1961).
Vendor: Allied Radio Corporation
1N542 semiconductor manufactured by Allied Radio Corporation, listed as 1N542 (circa 1961).
Vendor: Allied Radio Corporation
7408 semiconductor manufactured by Allied Radio Corporation, listed as 7408 (circa 1961).
Vendor: Allied Radio Corporation
3CB electron tube manufactured by Allied Radio Corporation, listed as 3CB (circa 1961).
Vendor: Allied Radio Corporation
6VD6H electron tube manufactured by Allied Radio Corporation, listed as 6VD6H (circa 1961).
Vendor: Allied Radio Corporation
TW1S electron tube manufactured by Allied Radio Corporation, listed as TW1S (circa 1961).
Vendor: Allied Radio Corporation
2U6 electron tube manufactured by Allied Radio Corporation, listed as 2U6 (circa 1961).
Vendor: Allied Radio Corporation
620C electron tube manufactured by Allied Radio Corporation, listed as 620C (circa 1961).
Vendor: Allied Radio Corporation
6SAC6 electron tube manufactured by Allied Radio Corporation, listed as 6SAC6 (circa 1961).
Vendor: Allied Radio Corporation
F4H electron tube manufactured by Allied Radio Corporation, listed as F4H (circa 1961).
Vendor: Allied Radio Corporation
T12 electron tube manufactured by Allied Radio Corporation, listed as T12 (circa 1961).
Vendor: Allied Radio Corporation
T5 electron tube manufactured by Allied Radio Corporation, listed as T5 (circa 1961).
Vendor: Allied Radio Corporation
P61 electron tube manufactured by Allied Radio Corporation, listed as P61 (circa 1961).
Vendor: Allied Radio Corporation
P200 electron tube manufactured by Allied Radio Corporation, listed as P200 (circa 1961).
Vendor: Allied Radio Corporation
P612 electron tube manufactured by Allied Radio Corporation, listed as P612 (circa 1961).
Vendor: Allied Radio Corporation
766K electron tube manufactured by Allied Radio Corporation, listed as 766K (circa 1961).
Vendor: Allied Radio Corporation
42H electron tube manufactured by Allied Radio Corporation, listed as 42H (circa 1961).
Vendor: Allied Radio Corporation
P550 electron tube manufactured by Allied Radio Corporation, listed as P550 (circa 1961).
Vendor: Allied Radio Corporation
99S electron tube manufactured by Allied Radio Corporation, listed as 99S (circa 1961).
Vendor: Allied Radio Corporation