

The Graco 116402 Male Adapter is a robust OEM-fitting designed to provide secure, leak‑resistant male-threaded connections in airless sprayer and pump systems — ideal for coupling hoses, pumps or accessories reliably under pressure.
Overview
The Graco 116402 Male Adapter is a precision‑engineered male‑threaded fitting used in airless sprayer and fluid‑handling systems. It provides a secure, leak‑resistant connection between hoses, pumps, or spray guns — ensuring stable fluid delivery and proper coupling under high pressure. :contentReference[oaicite:4]{index=4}
No publicly verified master list of compatible Graco models is available for this part number.
Before ordering or installing, refer to your equipment’s parts diagram or manual — if it lists a male adapter or part number 116402, this adapter should match. Otherwise, verify thread type/size and connection requirements first.
This adapter is useful when you need to:
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