These charts list sheet metal manufacturers three-digit "style" number - P17, 610, etc. The cross-reference is based on basic profiles and the application in an air distribution system.  The Champion catalog contains a picture of each item and all pertinent information.  All Champion fittings are true, "normal size" according to standard sheet metal industry practices.  Contact Champion if additinal inforamtion is or submittal sheet is needed.

REGISTER BOOTS                                                                                                                                                                                                        
                                                                            GARY       GRAY     LB HEATING                                                           SHEETMETAL    SOUTHWARK    STANDEX    SEAL-TITE  
                        CHAMPION     ACME     BARRINGTON     EXCELSIOR     STEEL      METALS      COOLING    LUKIJAN    MAID-RITE   MASTER-FIT     RAINAIRE      R&H      MFG         METAL       SNAPPY    WILLIAMSON 
STRAIGHT, UNIVERSAL.........608........P5........608F............762R........904........110-R......2572E.......L572.......PH-11.......PH-7...........77..........PH7.......S01E........27R..........P5.........1270    
45°ANGLE....................609........P7....................................917........111-R..................L577.......PH-13..................................PH4.......SO1E........26R..........P7.........1277    
90°ELBOW....................610.......P13........610F............710R........902........113-R........259.......L575.......PH-12.......PH-4...........73....................A01E........24R.........P13.........1274    
END C, L, R.......612, 613, 614.......P17........612F...........C750R........903........112-R......2591E.......L571......PH-14C....PH-3,13...........72..........PH3.......E01E........28R.........P17.........1273    

STACK BOOTS                                                                                                                                                                                                           
                                                                            GARY       GRAY     LB HEATING                                                           SHEETMETAL    SOUTHWARK    STANDEX    SEAL-TITE  
                        CHAMPION     ACME     BARRINGTON     EXCELSIOR     STEEL      METALS      COOLING    LUKIJAN    MAID-RITE   MASTER-FIT     RAINAIRE      R&H      MFG         METAL       SNAPPY    WILLIAMSON 
STRAIGHT, UNIVERSAL.........570.........5.........608............708S........829........110-S......2572S.......572..........11........1124...........27.........1024.......S01S..........27..........5.........1214    
90°ELBOW....................571........13.........610............710S........840........113-S......2575S.......575..........12........1120...........24.........1020.......A01S..........24.........13.........1218    
END C, L, R.................572........71.........612............750S........838........112-S......2571S.......571.........14C........1119...........28.........1119.......E01S..........28.........17.........1219    

TAKE OFFS                                                                                                                                                                                                             
                                                                            GARY       GRAY     LB HEATING                                                           SHEETMETAL    SOUTHWARK    STANDEX    SEAL-TITE  
                        CHAMPION     ACME     BARRINGTON     EXCELSIOR     STEEL      METALS      COOLING    LUKIJAN    MAID-RITE   MASTER-FIT     RAINAIRE      R&H      MFG         METAL       SNAPPY    WILLIAMSON 
ADJ. TOP/SIDE-SQ./RND.......585.......EP13........................713........663.........181....... 232........303........EP6.........EP13..........62A.........EP13.......PTSA........63A..........T10........1264    
ADJ. PIVOT/FLANGE RND/RND...586.......EP76............................................................................................1168...........65.................................S5...........S5............    
ADJ. RND/RND WITH TABS......587.......EP75........230.............776........699.........201........294........325........EP7.........1167..........67A.........EP15.......PTR1.........65...........T6........1260    
ADJ. RND/RND 1/2 TAB........651.........................................................................................................................................................87.........................    
RND/RND EXTENDED COLLAR.....588...................230L............876.................................................................1165.........................................................................    
SIDE........................581.......EP1.........215.............778........661..........163.......238........328.......EP10.........1161...........63....................PTSA.........63..........T19........1265    
TOP.........................582.......EP5.........214.............794........695..........161.......132........472........EP2.........1162...........62....................PTSO.........62.......T5, 15........1261    
DOUBLE......................584.......200.........220...........795-2......695-2..........161...............562-64........EP5.........1166...........66....................PTSD.........64..........T17........1262    

STARTING COLLARS                                                                                                                                                                                                     
                                                                            GARY       GRAY     LB HEATING                                                           SHEETMETAL    SOUTHWARK    STANDEX    SEAL-TITE  
                        CHAMPION     ACME     BARRINGTON     EXCELSIOR     STEEL      METALS      COOLING    LUKIJAN    MAID-RITE   MASTER-FIT     RAINAIRE      R&H      MFG         METAL       SNAPPY    WILLIAMSON 
TOP, CRIMPED................502.......70C........40CR.............771........"A".........."A"........12........413A........27.........1151...........84-CR......1051.....SC01...........97..........T-25.......172    
STUB - PLAIN................503......70NC........40PL.............770........"C".........."C"........13........413B........26.........1150...........84-PL......1050.....SC02.......................T-26.......171    

OVAL FITTINGS                                                                                                                                                                                                        
                                                                            GARY       GRAY     LB HEATING                                                           SHEETMETAL    SOUTHWARK    STANDEX    SEAL-TITE  
                        CHAMPION     ACME     BARRINGTON     EXCELSIOR     STEEL      METALS      COOLING    LUKIJAN    MAID-RITE   MASTER-FIT     RAINAIRE      R&H      MFG         METAL       SNAPPY    WILLIAMSON 
VERTICAL 90° ELBOW..........852.......350.........................018........720.........502.....VERT. 90.......75....................6005...............................COAP..........116..........6033......4140    
VERTICAL 45° ELBOW..........853.......357.........................021........730.........503.....VERT. 45.......72....................6006................................OSP..........115..........6034......4141    
FLAT 90° ELBOW..............855........94.........................029........721.........502......FLAT 90.......71....................6015................................OCP..........114..........6035......4130    
FLAT 45° ELBOW..............856...................................024........731..................FLAT 45.......78....................6016................................OVH..........113..........6036......4131    
ROUND TO OVAL STR. BT.......857.......102.........................061........715.........506..........................................6017..............................COEVE.......................6012......4213    
OVAL TO OVAL REV............858.......103....................................704......................................................6120..............................COEVA.......................6013......4246    
RND TO OVAL END.............859........96.........................091........714.........505..........................................6116................................HOE.......................6014......4245    
STK HEAD//WINGS.............860.......107.........................092........703.........504..........................................6119................................HOA.......................6015......4247    
STRAIGHT REGISTER BOOT......861........95.........................012........701.........507..........................................6131..............................OVSTH.......................6037......4238    
STRAIGHT REGISTER BOX.......862......................................................................................................................................................................602......4272    
REGISTER BOX................863.......355..........................................................582-90............................................................................................605......4271