GRACO 557874 - Stud Fill 4ts5-21000, 1/4 in NPT

Quick fill stud with 1/4 inch NPT threading designed for efficient fluid filling applications in progressive lubrication systems. Essential component for G3 Pro Grease and MSP Series Progressive triplex frac kits, providing reliable connection point for grease or fluid transfer.

Specifications

• Thread: 1/4 in NPT
• Capacity: high capacity

Features

• High capacity design for efficient filling
• Quick disconnect functionality
• Zerk fitting connection
• Fast and reliable operation
• Quick fill design for efficient fluid transfer
• 1/4 inch NPT threading for standard connections

Applications

• High volume grease filling operations
• Industrial lubrication systems
• Equipment maintenance applications
• Progressive lubrication systems
• Triplex frac operations
• Grease filling applications

Compatible Equipment

• G3 Pro Grease 12V Triplex Kit
• G3 Pro Grease 24V Triplex Kit
• MSP Series Progressive systems
• G3 Pro pumps with 4 liter reservoirs
• G3 Pro Grease systems
• Quintuplex pump configurations

Related Parts

• 121474 - High Capacity Fill Coupler - 1/4" QD Female by 1/4 NPT Female
• 96G147 - G3 Pro pump 12V
• 96G149 - G3 Pro pump 24V
• 557875 - Dust cap
• 556420 - 1/4 NPT service tee
• 563160 - 2500 PSI relief
• 966147 - G3 Pro pump 12V
• 966149 - G3 Pro pump 24V

Part of GRACO's generic accessories line for lubrication equipment. Designed for applications requiring high capacity grease filling with quick connect convenience. This part is included as quantity 1 in both the 12V and 24V G3 Pro Grease/MSP Series Progressive Triplex Kits. Works in conjunction with dust cap (557875) for complete fill system protection. This part is included in both 12V and 24V Quintuplex Kit configurations and works as part of the complete G3 Pro Grease and MSP Series Progressive lubrication system

Reference Manuals

• 340706 (Page 6) G3 Selection guide
• 352295 (Page 4) Fracturing Equipment Selection Guide
• 3A5082 (Page 11) Electric Grease Jockey Automatic Lubrication System