S-98892A115 7/16"-20 NAS1291C7M Flange Nuts
Flange Nuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Flange Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior vibration resistance through center lock distorted thread technology that maintains secure locking under extreme conditions
- Exceptional corrosion resistance with A286 stainless steel construction for long-lasting performance in harsh environments
- Precise 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 with included lubricant and standard external hex drive for efficient assembly
- Comprehensive compliance with NAS1291C7M specifications for guaranteed aerospace and industrial quality
- Environmental responsibility with full REACH and RoHS 3 compliance for sustainable operations
Professional Applications & Engineering Value
This A286 stainless steel flange lock nut delivers exceptional engineering value through its distorted thread locking mechanism that effectively counters vibration-induced loosening in demanding environments. The center lock technology provides consistent locking force while maintaining the integrity of mating components. The 7/16"-20 UNF fine thread spacing ensures superior clamping force distribution, making it ideal for aerospace assemblies, heavy machinery, and industrial equipment where vibration resistance is critical. The integrated flange design (0.708" diameter) distributes load evenly, reducing surface pressure and preventing damage to connected surfaces. With Class 3B thread fit precision, this nut guarantees reliable performance in applications requiring exacting tolerances and repeated disassembly cycles.
Specification Summary & Compliance
This high-performance flange lock nut features precise 7/16"-20 UNF threads with Class 3B thread fit and right-hand thread direction. Manufactured to NAS1291C7M specifications, it ensures aerospace-grade quality and reliability. The nut maintains dimensional accuracy with 0.708" flange diameter and 0.04" flange thickness, providing consistent performance across applications. Full compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards ensures responsible manufacturing and usage in regulated industries.
