S-98892A111 6-32 NAS1291C06M Flange Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance through center-lock distorted thread design that maintains secure fastening under extreme conditions
• Enhanced durability and corrosion resistance with A286 stainless steel construction for long service life in harsh environments
• Precision thread engagement with Class 3B thread fit ensuring reliable, consistent performance in critical applications
• Integrated flange design eliminates need for separate washers while providing superior load distribution
• Easy installation and removal with external hex drive and included lubricant for smooth assembly operations
• Compliance with aerospace standards meeting NAS1291C06M specifications for quality assurance
• Environmental regulation compliance with RoHS 3 and REACH certification for global market acceptance

Professional Applications & Engineering Value

This A286 stainless steel flange lock nut delivers exceptional engineering value through its distorted center lock thread technology, specifically designed to combat vibration-induced loosening in demanding industrial environments. The 6-32 UNC coarse thread with Class 3B precision fit ensures reliable performance in aerospace, automotive, and heavy machinery applications where vibration resistance is critical. The integrated flange design provides superior bearing surface distribution, reducing stress concentrations while eliminating the need for additional washers. Manufactured from A286 stainless steel, this flange lock nut maintains structural integrity under high-temperature conditions while offering excellent corrosion resistance. The combination of NAS1291C06M compliance and included lubricant makes installation efficient while guaranteeing performance consistency across production runs.

Specification Summary & Compliance

This precision flange lock nut features 6-32 UNC coarse thread with Class 3B thread fit for exceptional dimensional accuracy. The fastener complies with NAS1291C06M manufacturing specifications and incorporates center lock distorted thread technology. With dimensions of 3/16" width and 9/64" height, the nut features a 0.244" flange diameter and 0.01" flange thickness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring global market acceptance and environmental responsibility.