Features
Crossline.
Includes quality control certificate of conformance.
Specifications
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Diameter:
Between 2.2493 inches and 2.2498 inches
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Graduations/markings:
Cross line
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Style Designator:
Crossline
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-384-7841
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Special Features:
Stainless steel wires under tension paired for accuracy; naval nuclear propulsion program