Flex-Loc - #4-40 UNJC Grade 2 Hex Lock Nut with Expanding Flex Top - Cadmium-Plated Finish, Meets Military Specifications
Item #: 67516328
Brand: Flex-Loc
Model #: 21FA-440
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 | #4-40 |
| Height (Decimal Inch) | 0.1550 |
| Material Grade | Grade 2 |
| Finish/Coating | Cadmium-Plated |
| Thread Direction | Right Hand |
| Locking Style | Expanding Flex Top |
| Flange Diameter (Decimal Inch) | 0.2430 |
| Width Across Flats (Decimal Inch) | 0.2510 |
| Thread Standard | UNJC |
| Thread Fit Class | 3B |
| Fastener Standard | AS8879 |
| Military Specification | Meets Military Specifications |
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