52.ni
Nickel plated, two flanges ¹ | 52.bs
Blackened steel, two flanges | 52.re
Early red (pea-red), two flanges | 52.ni1
Nickel, two flanges, slot and sawcut for part 159 ² |
52.ni2
Nickel, four flanges, slot and sawcut for part 159 ² | 52.dr
Dark red, two flanges, slot and sawcut for part 159 | 52.dr1
Dark red, four flanges, slot and sawcut for part 159 | 52.mr1
Medium red |
52.mr1a
Medium red, part 52 without slot and sawcut | 52.bg
Blue with gold crosshatching | 52.nb
Plain blue (very late pre-war finish) | 52.ma
Olive green, fewer holes in plates |
52.mr
Medium red, post-war stamping | 52.lr
Light red | 52.bk
Black | 52.bl
Blue |
52.am
Olive green (Army multikit) | 52.ye
Yellow (Crane/Highway multikit) | 52.dy
Dark yellow |