TM 5-3895-374-24-2 ITEM PART NO NUMBER DESCRIPTION 1 BLOWER HOUSING C20010 C1 Blower Housing C20030 C2 Blower Housing C20050 C3 Blower Housing C20071 C4, C5 Blower Housing 2 BLAST TUBE C20110 C1-0 Direct Spark, Photocell or Cad Cell, 6 1/2" O.D.  Baffle C20120 C1-0 Direct Spark, Scanner, 6 1/2" O.D.  Baffle C20121 C1-0 Direct Spark, Scanner, 6 5/8" O.D.  Baffle C20124 C1-0 Direct Spark, Scanner, 20.25 Holes, 7" O.D.  Baffle C20125 C1-0 Direct Spark, Scanner, 20.31 Holes, 7" O.D.  Baffle C20140 C1-0 Gas Pilot, Scanner, 6 1/2" O.D.  Baffle C20175 C1-0 3PV Gas Pilot, 6 1/2" O.D.  Baffle, Diffuser Mounted Scanner C20176 C1-0 3PV Direct Spark, 6 1/2" O.D.  Baffle, Diffuser Mounted Scanner C20220 C1G/G0 Gas Pilot, Scanner, Side Inlet, 6 1/2" O.D.  Baffle, 30--9/64" Orifices C20221 C1G/G0 Gas Pilot, Scanner, Side Gas Inlet, 6 1/2" O.D.  Baffle, 30--9/64" Orifices C20225 C1G/G0 Gas Pilot, Scanner, Bottom Inlet, 6 1/2" O.D.  Baffle, 30--9/64" Orifices C20235 C1G/G0 Gas Pilot, Scanner, Side Inlet, 6 5/8" O.D.  Baffle, 30--9/64" Orifices C20244 C1G/G0 Gas Pilot, Scanner, 20--1/4" Holes, Side Inlet, Fixed Premix, 7" O.D.  Baffle, 30-- 7/64” Orifices C20246 C1G/G0  Gas  Pilot,  Scanner,  Side  Inlet,  Fixed  Premix,  6  1/2"  O.D.  Baffle,  30--7/64" Orifices C20247 C1G/G0 Gas Pilot, Scanner, 20--5/16" Holes, Side Inlet, Fixed Premix, 7” O.D.  Baffle, 30- -7/64" Orifices C20248 C1G/G0 Gas Pilot, Scanner, 20--3/8" Holes, Side Inlet, Fixed Premix, 7” O.D.  Baffle, 30-- 7/64" Orifices C20249 C1G/G0  Gas  Pilot,  Scanner,  Side  Inlet,  Fixed  Premix,  6  5/8"  O.D.  Baffle,  30--7/64" Orifices C20250 C1G/G0 3PV 10HP Gas Pilot, Side Inlet, 6 3/4" O.D.  Baffle, 30--7/64" Orifices, Diffuser Mounted Scanner C20251 C1G/G0  3PV  15-20  HP,  Gas  Pilot,  Side  Inlet,  6  3/4"  O.D.    Baffle,  30--7/64"  Orifices, Diffuser Mounted Scanner C20252 C1G/G0  Gas  Pilot,  Scanner  Down,  20--3/8"  Holes,  Bottom  Inlet,  Fixed  Premix,  7"  O.D. Baffle, 30--7/64" Orifices C20253 C1G/G0 Gas Pilot, Scanner Down, Bottom Inlet, 6 5/8" O.D.  Baffle, Fixed Premix, 30-- 7/64" Orifices C20310 C2-0A Direct Spark, Photocell or Cad Cell, 7 3/4U O.D.  Baffle C20320 C2-0A Direct Spark, Scanner, 7 3/4" O.D.  Baffle C20340 C2-0A Gas Pilot, Scanner, 7 3/4" O.D.  Baffle C20370 C2-0B Direct Spark, Photocell or Cad Cell, 7 3/8" O.D.  Baffle C20380 C2-0B Direct Spark, Scanner, 7 3/8" O.D.  Baffle C20400 C2-0B Gas Pilot, Scanner, 7 3/8" O.D.  Baffle C20450 C2-0A 3PV Gas Pilot, 7 3/4" O.D.  Baffle, Diffuser Mounted Scanner C20451 C2-0A 3PV Direct Spark, 7 3/4" O.D.  Baffle, Diffuser Mounted Scanner C20455 C2-0B 3PV Gas Pilot, 7 3/8" O.D.  Baffle, Diffuser Mounted Scanner C20456 C2-0B 3PV Direct Spark, 7 3/8" O.D.  Baffle, Diffuser Mounted Scanner (page 3 - 1003)