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Align cover screw properly before tightening to avoid cross-threading
specifically in systems such as the BES 300
Using genuine GRACO parts like the 17Z689 ensures compatibility
but it is intended to provide reliable bearing support within GRACO machinery
as indicated by 'NIT' in the part name) and is engineered to facilitate efficient and reliable fluid transfer within GRACO pump systems
GRACO Bulkhead Union Fitting - 1/8 inch (3.2 mm) NPT - (SKU: 557950) Align cover screw properly beforeThe GRACO 557950 is a bulkhead union fitting designed for use in fluid handling systems. It is constructed from brass and features a threaded connection, making it suitable for secure installation through panels or bulkheads in GRACO equipment. Its primary function is to provide a reliable, leak resistant connection point for fluid lines. Key Features: Bulkhead Union Fitting 1 8 inch (3. 2 mm) NPT Brass Compatible with GRACO equipment requiring 1 8
