GRACO 166863 - Reducing Nipple Fitting, 303SS, 5000 PSI, NPT(M) x NPT(M)

High pressure straight pipe nipple fitting designed for reliable connections in demanding fluid handling applications. Features robust construction for superior performance in high-pressure systems.

Specifications

• Length: 1.38 (3.5) in (cm)
• Thread: NPT(m) x NPT(m)
• Max Working Pressure: 5000 PSI (344 bar)
• Material: 303 SST
• Fitting Type: Straight Pipe Nipple
• Swivel: No
• Jic Or Sae Flare: No
• First Connection: NPT - 3/8
• Second Connection: NPT - 1/4

Features

• 5000 PSI (344 bar) pressure rating for high-pressure applications
• 303 stainless steel construction for corrosion resistance
• Straight pipe nipple design for direct connections
• NPT male threads on both ends
• Reducing configuration (3/8 to 1/4 NPT)

Applications

• High pressure fluid systems
• Paint spray equipment connections
• Hydraulic system plumbing
• Industrial fluid handling
• Equipment manifold connections

Compatible Equipment

• TRITON Sprayer Packages
• aluminum packages
• stainless steel packages
• 248541 UltraMix Stainless Steel Pump, Series A

Related Parts

• 166443 - Nipple Fitting, Hex
• 166255 - Stainless Fluid Packing Gland
• 114361 - Nylon Pump Outlet Fluid Filter, 3/8 NPT(F)Bb, 150 Bar (2175 PSI)
• 235207 - Union Swivel, SS, 3/8 NPT(M) x 3/8 NPSM(F) for some President 30:1, Monark 15:1 & Monark 23:1 Models
• 157705 - High-Pressure Union Fitting, 1/4" NPT(M) x 3/8" NPSM(F), 5000 PSI (345 Bar
• 223160 - SS High Pressure Fluid Filter, filter assembly, 60 mesh
• 165198 - Reducing Nipple Fitting, 3/8 NPT(M) to 1/4 NPT(F)

This is a reducing nipple fitting that connects 3/8 NPT to 1/4 NPT, allowing for size transitions in high-pressure piping systems. Used as part of fluid filter installation accessories for pump outlet. Part of nipple component (CC) in fluid filter system. This is a reducing nipple fitting that goes from 3/8 NPT to 1/4 NPT and is specifically for the stainless steel version (248541) of the UltraMix pump. There is a carbon steel equivalent (part 165198) for the carbon steel pump version (248540).

Reference Manuals

• 3J0419EN (Page 13)
• 3J0419EN-A (Page 12)
• 309304 (Page 8)
• 310662 (Page 12)
• 313221 (Page 56)