Since 1931
Tech-Trusted
Satisfaction Guaranteed
Tubing
Fittings
System Repair
Lubricants & Greases
Tools & Accessories
SKU: BLF-14B
AGS steel tube nut 5/16" (1/2-20 Inverted). Precision-manufactured carbon steel tube nut for brake, fuel, and transmission line connections. Meets OEM specifications for reliable, leak-free performance in automotive hydraulic systems.