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Machine Key

Model / MPN: 556521-1 | NSN: 5315-00-483-9568
ITAR Registered seal

A metallic item, usually square or rectangular in cross section, usually longer in relation to its width and thickness, with or without a head, usually designed to fit into the pre-cut slots of two adjacent cylindrically shaped members, to prevent relative rotational movement between the two. It may have mounting holes or slots.

Product Details
NATO Stock Number
5315-00-483-9568
Sold in multiples of
1 EA
DEMIL
NO
Overall Length
0.468 inches
Overall Height
Between 0.230 inches and 0.238 inches
Overall Width
Between 0.123 inches and 0.124 inches
First Flat Length
0.244 inches
Flat Height
0.129 inches
Key Chamfer Length
0.062 inches
Starting Edge Shape
Chamfered
Key Chamfer Angle
45.0 degrees
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, t6 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-c-5541 military specification single treatment response
Style Designator
Stepped
556521 Series Parts

Pricing and Availability

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556521-1 Cross Reference