Hannay 99 04.1058 | Hex Head Spinlock Cap Screw | 1/4"-20 X 1/2" Stainless Steel Fastener – Durable Precision Hardware For Industrial Applications 1" It is designed to replace

It is designed to replace or repair the pilot assembly components

Replacing parts with genuine GRACO components is important to maintain equipment certification and ensure optimal performance and safety

and is constructed for reliable dispensing of NLGI #000 to #2 greases

The GRACO 186579 is a hex nut

178964 (also referenced as 178-964

Hannay 99 04.1058 | Hex Head Spinlock Cap Screw | 1/4"-20 X 1/2" Stainless Steel Fastener – Durable Precision Hardware For Industrial Applications 1" It is designed to replaceThe HANNAY 99 04. 1058 Is a high quality 1 4" 20 x 1 2" hex head spinlock cap screw designed for secure fastening in demanding industrial environments. Manufactured with precision engineering, this cap screw offers excellent durability and corrosion resistance, making it ideal for use in hose reels, machinery assemblies, and equipment requiring reliable mechanical fastening. Key Features: Constructed from stainless steel for superior corrosion