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Worldwide distributor of NSN parts and consumables located in the USA.

Flexible Shaft Coupling

Model / MPN: 2639606-4 | NSN: 3010-00-120-0969
ITAR Registered seal

A device for connecting the ends of two shafts so that rotary motion of one shaft is transmitted to the other shaft. It is constructed to allow for slight misalignment of shafts both linear and angular.

Product Details
NATO Stock Number
3010-00-120-0969
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Hole Diameter
0.040 inches first end
Hole Diameter
0.070 inches second end
Overall Length
Between 0.718 inches and 0.782 inches
Outside Diameter
Between 0.437 inches and 0.500 inches
Thread Size Designator
4-40 first end
Thread Size Designator
6-32 second end
Bore Diameter
0.1877 inches second end and 0.1880 inches second end
Bore Diameter
0.2502 inches first end and 0.2505 inches first end
Bore Length
0.3750 inches both ends
Bore Shape
Straight first end
Bore Shape
Straight second end
Bellows Material
Copper alloy
Design Type
Bellows
Securing Method
Unthreaded hole second end
Securing Method
Unthreaded hole through bore
Securing Method
Threaded hole both ends
Securing Method
Threaded hole first end
Threaded Hole Quantity
1 first end
Threaded Hole Quantity
1 second end
Threaded Hole Location
Both ends: located 90 degrees from threaded and unthreaded hole
Unthreaded Hole Quantity
1 first end
Unthreaded Hole Quantity
1 second end
Unthreaded Hole Location
Both ends: located 90 degrees from threaded hole

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2639606-4 Cross Reference
  • 2639606-4
  • 2639606-4