GRACO 121237 - Straight Fitting, 3/8"NPT(M) x 1/2NPT(F), 303 SST, 4000 PSI

High pressure straight bushing fitting designed for reliable fluid transfer in demanding industrial applications. Features precision threading for secure connections and durable stainless steel construction to withstand high pressure systems.

Specifications

• Thread: NPT(m) x NPT(F)
• Max Working Pressure: 4000 PSI (275 bar)
• Material: 303 SST
• Fitting Type: Bushing
• Pipe Configuration: Straight
• First Connection: NPT - 3/8 NPT
• Second Connection: NPT - 1/2 NPT
• Overall Length: 1.08 (4.2)

Features

• High pressure rating up to 4000 PSI (275 bar)
• 303 stainless steel construction for corrosion resistance
• Precision NPT threading for secure connections
• Straight configuration for direct line connections
• Compact design with 1.08 inch overall length

Applications

• High pressure fluid systems
• Industrial piping connections
• Hydraulic system connections
• Chemical processing equipment
• Pressure washing systems

Compatible Equipment

• G18xxx Models
• G28xxx Models

Related Parts

• 164739 - Helical Compression Spring
• 512351 - Fitting, Adapter
• 502265 - High Pressure Straight Pipe Bushing, NPT x NPT, 1/2" OD, 3/8" ID
• 124488 - Straight Pipe Bushing Fitting, NPT - 1 NPT - 1/2 NPT, 5000 PSI (344 Bar)

Part of GRACO's high pressure fittings line, specifically designed for bushing applications where thread size reduction is needed Reference number 13 in the parts list, quantity 1 Listed as reference 13 in the G28xxx Models parts table with quantity 1

Reference Manuals

• 3J0419EN (Page 13) EN-A
• 3J0419EN - A (Page 12)
• 312797 (Page 37) Merkur Non-Heated Spray Packages
• 312798 (Page 35) Merkur Electrostatic Spray Packages
• 3A7003 (Page 26) Merkur® Non-Heated Spray Packages