JLG G12-55A Parts Manual - Manual (Page 320)

HYDRAULIC COMPONENTS
G10-55A, G12-55A 31200728 9-38
50 NSS 1 HOUSING
51 NSS 2 SPOOL
52 70023038 2 POPPET
Figure 9-16 Brake Valve (Continued)
Item Part Number Qty. Description Rev.