Flat Disc Formed Disc 29 T ypes STG STN P A R T NUMBERS RIM B ASE BEADSEA T FLANGE LOCK RING ORING 251125 20 160025 B1125STG BB25STG S2025 LR255TM OR325T 2942 251125 20 160025 B1125STN BB25STN S2025 LR255TN OR325T 2946 251300 25 180025 B1325STG BB25STG S2525 LR255TM OR325T 3531 251300 25 180025 B1325STN BB25STN S2525 LR255TN OR325T 3539 251500 30 210025 B1525STG BB25STG S3025 LR255TM OR325T 4081 251500 30 210025 B1525STN BB25STN S3025 LR255TN OR325T 4085 P A R T NUMBER DESIGNA TIONS STG identifies a r im base without a bead seat band to r im base dr iving arr angement STN identifies a r im base with a notched gutter dr iving arr angement to pre v ent circumf erential mo v ement of the components Demountab le rims are identified with a D in the rim base par t n umber Ex STGD STND V a r ious v alv e hole options are a v ailab le including tapped holes SurLoc bead seat bands are a v ailab le upon request See page 58 f or SurLoc par t n umbers These r ims are a v ailab le in special allo y steel f or higher pressure hea vy duty applications RIM SIZE DIA WIDTH FLANGE HT RECOMMENDED TIRE SIZES ASSY WEIGHT LBS DIMENSIONS AB C D E F G H 251125 20 1125 2500 200 22625 7312 3255 21500 106 251300 25 1300 2500 250 22625 8312 3255 21500 106 251500 30 1500 2500 300 22625 9312 3255 21500 106 RIM SIZE DIA WIDTH FLANGE HT Wheel Disc T ypes