Flex-Loc - 3/8-16 UNC Grade 2 Hex Lock Nut with Expanding Flex Top - Cadmium-Plated Finish, Meets Military Specifications
Item #: 67516484
Brand: Flex-Loc
Model #: 21FAF-616
Exact Tooling IR#: 04
Features and Benefits
Hex lock nuts are the most common type of lock nut. They have six uniform sides that create a flat bearing surface. 
| Product Specifications | |
|---|---|
| System of Measurement | Inch | 
| Type | Hex Lock Nut | 
| Material | Steel | 
| Thread Size | 3/8-16 | 
| Height (Decimal Inch) | 0.4620 | 
| Material Grade | Grade 2 | 
| Finish/Coating | Cadmium-Plated | 
| Thread Direction | Right Hand | 
| Locking Style | Expanding Flex Top | 
| Flange Diameter (Decimal Inch) | 0.5530 | 
| Width Across Flats (Decimal Inch) | 0.5640 | 
| Thread Standard | UNC | 
| Thread Fit Class | 2B | 
| Fastener Standard | MIL-S-7742 | 
| Military Specification | Meets Military Specifications | 
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