Brass Nut - 1/4" NPT

Heavy-Duty 1/4" Brass Lock Nut

Ensure secure, vibration-proof panel and bulkhead installations with this heavy-duty 1/4" Brass Lock Nut. Engineered to thread cleanly onto 1/4" male pipe fittings, this lock nut provides maximum clamping force to secure bulkhead connectors, unloader valves, pressure gauges, and manifold blocks into place.

Manufactured from solid, corrosion-resistant brass, it easily withstands exposure to water, harsh surfactants, oils, and mild chemicals without binding, stripping, or rusting. Its precision-cut hex profile allows for straightforward installation and tightening using standard shop wrenches.

Key Features & Benefits

• Vibration-Resistant Secure Hold: Locks fittings, bulkhead adapters, and valves firmly in place to prevent loosening from equipment vibration and pump pressure spikes.
• Corrosion-Resistant Solid Brass: Forged brass construction stands up to continuous water contact, soft wash chemicals, and outdoor job site conditions.
• Precision Machined Threads: Ensures smooth thread engagement on standard 1/4" male NPT pipe fittings and threaded spuds.
• Slim Lock Profile: Flat hex design allows flush, tight mounting against panel walls, mounting brackets, and machine frames with minimal clearance.

Common Applications

• Panel & Bulkhead Mounting: Securing quick-connect sockets, pressure gauges, and bypass lines through control panels and skid frames.
• Pressure Washers & Soft Wash: Lock-mounting chemical injectors, unloader valves, and manifold blocks on wash rigs.
• General Fluid Control & Plumbing: Providing locking support on air lines, water lines, and hydraulic plumbing assemblies.

Specifications

• Thread Size: 1/4" NPT
• Material: Heavy-Duty Brass
• Drive Type: External Hex

Pro Tip: When mounting fittings through a tank wall or metal control panel, pair this lock nut with a thread sealant or a rubber sealing washer behind the panel face for a leak-proof, rigid mount.