Asc Engineered Solutions 8700162509 Galvanized Lock Nut 1/2 in

Product Description

The ASC Engineered Solutions 8700162509 is a 1/2-inch malleable iron galvanized lock nut used to secure threaded pipe fittings in place and prevent loosening under vibration or pressure. Galvanized per ASTM A-153, this lock nut resists corrosion in damp or exposed environments. It is manufactured to ANSI B-16.3 dimensional standards and ANSI B-2.1 pipe thread standards, ensuring consistent fit on standard tapered pipe threads. The part meets ASTM A-197 requirements for chemical and physical properties, making it suitable for pressure-rated piping assemblies. Plumbers and pipefitters use this fitting in both new construction and retrofit applications where a code-compliant, durable threaded connection is required.

This lock nut is suited for residential and light commercial plumbing and mechanical piping systems. It is commonly used wherever a malleable iron threaded fitting must be positively secured against rotation or backed up at a female threaded port. Typical applications include gas distribution piping, water supply systems, and general industrial pipe assemblies where galvanized iron fittings are specified. Sold individually, it is a standard stocking item for plumbing contractors and pipe fitters.

Key Features

• Malleable iron construction per ASTM A-197 for strength and machinability in threaded applications
• Hot-dip or equivalent galvanizing per ASTM A-153 for corrosion resistance in wet and outdoor environments
• Dimensioned to ANSI B-16.3 and ANSI B-2.1 for compatibility with standard NPT pipe threads
• Meets Fed. Spec. WW-P-521F and WW-P-471-B requirements for malleable iron pipe fittings and ferrous locknuts
• 1/2-inch pipe size suits a wide range of common residential and commercial piping applications

Compatibility

Designed as an OEM-style replacement and standard-stock malleable iron lock nut for use with 1/2-inch NPT threaded pipe fittings and piping systems conforming to ANSI B-16.3 and ANSI B-2.1 standards.

Installation Notes

Installation is performed by licensed plumbers or pipefitters in accordance with applicable local codes, IPC, and IFGC requirements. Shut off and depressurize the piping system completely before disassembling or installing any threaded fitting. Use appropriate pipe wrenches and apply pipe thread sealant or PTFE tape to NPT threads as required by the application. Do not over-tighten; follow applicable code guidance for makeup turns on tapered pipe threads.

Technical Specifications

• Pipe Size: 1/2 inch
• Material: Malleable Iron
• Finish: Galvanized
• Weight: 0.06 pounds
• Thread Standard: ANSI B-2.1 NPT
• Dimensional Standard: ANSI B-16.3
• Material Standard: ASTM A-197
• Galvanizing Standard: ASTM A-153
• Federal Specifications: WW-P-521F, WW-P-471-B
• UPC: 00690291039126
• Sold As: Each

Standard Information

• Brand: ASC Engineered Solutions
• Manufacturer Part Number: 8700162509