CNC Swiss Machining of a Steel Missile Latch Bolt Assembly for the Military Industry
This steel missile latch bolt assembly, displayed to the left, was manufactured for the military to be used within a defense weapons system application. Fairchild Auto-Mated Parts manufactured all fixtures for the assembly, and then used our 7-axis CNC Swiss machining technology to produce the part from a combination of 4140 steel, aluminum, and nylon, meeting close ± .001" tolerances. In addition, we also coined the seat to ensure sealing functionality.
Once the part was manufactured and assembled, we then performed olive drab anodizing - a process commonly used for military components - to plate the latch in a mixture of electro cadmium and electro-zinc formulas. Inspections were also performed to ensure the missile latch met with important military specifications.
With the ability to successfully manufacture this component to fulfill high client expectations, Fairchild Auto-Mated Parts now produces 35,000 missile latches annually for the military, packaging and delivering all finished products to specified locations within an 8-week lead time.

Steel Missile Latch Bolt Assembly Project Highlights
Product Description |
This steel missile latch bolt assembly is used within a defense weapons system application |
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Capabilities Applied/Processes |
- Manufactured Fixtures for Assembly
CNC Swiss Machining
Staking |
Plating
- Olive Drab Anodize
- Electro Cadmium
- Electro Zinc Formulas
Coining
Assembly |
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Equipment Used to Manufacture a Steel Missile Latch Bolt Assembly |
7-Axis CNC Swiss Turning Center
Single Spindle Screw Machine |
CNC Gang Lathe
Mechanical Press |
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Overall Steel Missile Latch Bolt Assembly Dimensions |
Material: Ø3/8" |
Length: 1.630" |
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Tightest Tolerances |
±.001" |
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Materials Used |
4140 Steel
Aluminum |
Nylon |
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Max Material Finish |
32 Ra |
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Features |
Coined Seat Assures Sealing Functionality |
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Inspection Performed |
In Process & Final Inspection |
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Tooling Cost |
$595 |
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Estimated Part Weight |
1.32 oz. |
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Industry for Use |
Military/Defense |
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Packaging |
Individual Cells |
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Volume Manufactured |
35,000 Per Year |
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Turn Around Time |
8 Weeks |
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Standards Met |
Customer supplied specifications |
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Product Name |
Latch Bolt Assembly |

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