Series MT and FT Mil-Spec rod ends use Heim’s UNIFLON® PTFE liner and cartridge type construction. The cartridge type rod end consists of a spherical plain bearing mounted in a rod end body. The cartridge type rod end accommodates a PTFE liner for self-lubrication. This design is best suited for aircraft and military applications where material selection is a primary design consideration.
Mil-Spec Rod End Materials
This cartridge type design allows for the optimum selection of materials for ball, race and rod end body. MT and FT Series rod end bodies are made from 4340 alloy steel, heat treated to SAE-AMS-H-6875 and are cadmium plated. The outer races are made from heat treated 17-4PH stainless steel (AMS5643). The balls are made from heat treated 440C stainless steel (AMS5630). The Heim UNIFLON® PTFE liner is approved to SAE-AS81820. The MT and FT Mil-Spec rod ends are approved to SAE-AS81935.
Heim’s UNIFLON® PTFE Lined Rod Ends Features
- Outer Member: 4340 Alloy steel, heat treated, magnetic particle inspected, cadmium plated and chromate treated
Ball: 440C heat treated and passivated
Race: 17-4PH heat treated
Liner: Self-lubricating UNIFLON® per SAE-AS81820 (formerly MIL-B-81820)
These rod ends are produced in strict accordance with all applicable standards.
Military Rod End Specifications
Many of the processes used to manufacture Heim’s UNIFLON® PTFE Lined Rod Ends are performed to US Military specifications. Below is a partial list of the specifications we can manufacture to:
| Process | Performed in Accordance with: |
| Anodize | SAE-AMS-A-8625 Type 1 or 2 (formerly MIL-A-8625 Type 1 or 2) |
| Cadmium Plate | SAE-AMS-QQ-P-416 Type 1 Class 2 (formerly QQ-P-416) |
| Heat Treat | SAE-AMS-H-6875 (formerly MIL-H-6875) SAE-AMS-H-7199 (formerly MIL-H-7199) |
| Magnetic Particle Inspection |
ASTM-E-1444 |
| Penetrant Inspection |
ASTM-1417 (formerly MIL-H-I-6866) |
If you don’t see the specification your military rod end application requires, contact us to learn more about other specification PIC can manufacture to.
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