Fairchild 6-Pin TO99-6 Metal Can RF / IF Amplifier IC with gold leads, widely used in 70's Stereo Receivers, Tuners and Transceivers.  Replaces National LM703, LM703H, LM703L, LM703LH, LM703LN, LS703L, Fairchild UA703, UA703A, UA703C, UA703CH, UA703CT, UA703E, UA703HC, UA703L,  U5D770331X, U5D770339X, U5D7703312, U5D7703393, U5D7703394, Admiral 56A1-1, 56C1-1, HH Scott 020-1114-007, 020-1114-008, Lafayette ICF-1, Magnavox 20B2M, 20B3AH, 2020-1, 2020-2, 2020-3, 612020-1, 612020-2, 612020-3, Marantz HC1000109-0, HC1000111-0, NEC UPC555, Fisher TR0-9005, TR09005, TR09006, TR09012, TRO9005, TRO-9006, TRO9006,  and TR09012, Heath 442-20, Mallory PTC743, Motorola  T1B, 51-10302A01, 51S10302A01, Packard Bell 99S002, 99S002-1, Collins 351-1017-010, 351-1017-030, New Japan Radio NJM703, NTE703A,  RCA SK3157, Philco IC-1, IC-2, IC-4, IC-7, PA7703, PA7703E, PA7703X, 46-5002-1, 46-5002-3, 46-5002-4, Sears/Warwick 13-1-6, 13-9-6, 13-10-6, 13-11-6, Texas Instruments SN76603, Zenith 221-31, 221-32, Sansui PA7703, Muntz YCOT, and NEC UPC555, UPC555A, UPC555AB, UPC555C, as well as many other 6-pin IF Amplifier ICs, including types 036001, 09-308004, L103T1, 1E703E, 15-26587-1, 19-020-079,  880-101-00.